Primitive cultures: In this study, primitive cultures are considered those that meet certain characteristics. The first is that they lack any written documentation, i.e., they are prehistoric. From all that is known of them, and particularly of trepanations, human bones and some marginal archaeological remains have been found which allow us to contextualise the findings. They are extinct or contemporary cultures, developed in confined geographical areas or areas with few exchanges between them. As regards trepanations, as in other aspects of palaeopathology, these cultures had to have performed burial practices on bodies as it was the only way they could preserve skeletal remains for as long as possible.. Pseudotrepanations. Naturally, not all cranial openings found in archaeological remains are trepanations. Because the only information usually available in the case of a drilled skull found at an archaeological site is obtained from the bone remains, the first action is to rule out, from the ...
Trepanation (or trephination) is the making of a small hole in the skull of the adult by use of a surgical drill known as a trepan. It is not synonymous with brain surgery (e.g.lobotomy) as it is performed solely on the skull bone and does not enter the brain. The purpose of trepanation is to give the closed skull of the adult an expansion window and thereby to restore the full pulsation which was lost when the skull sealed. The pulse wave then blows up the brain capillaries with blood to the level of childhood, accelerating brain metabolism and empowering the brain to permanently regain its youthful level. An equivalent volume of cerebrospinal fluid is squeezed out to make room for the extra blood and thereafter the ratio between the two fluid volumes in the brain is altered in favour of blood. Proponents claim that an increase in energy and well being is the result, and that with more contact between capillaries and brain cells the brain functions more efficiently.
Trepanation Instrument (E-3) also known as a trephine. Trepanation is perhaps known as the oldest form of neurosurgery. This instrument was used to bore a round hole in the skull and take a bone sample. This instrument has two thumb screws which can regulate the depth.
MRI brain with different protocols showing high signal selectively in T1, T1+C along cortical and subcortical regions of right side superior, middle and inferior temporal gyri suggesting cortical laminar necrosis . Absent giral enhancement in T2 sequences as well as DWI suspecting acute or late acute stages of necrosis. Also absence of cortical atrophy exclude chronic stage. ...
Beautiful collection of world renowned eye images highlighting an explanation of Cataract concepts. Full depiction in clear detail for staff, student and patient education. Illustrated by ophthalmic artist Stephen F. Gordon from the Full Color Atlas of the Eye, Eye Care, and Eye Surgery. --------||||||TO ORDER THIS POSTER and have it SHIPPED to you, Click the Buy in Print button below. |||||
Trepanation is used in modern-day brain surgery, either to release pressure in the event of a head injury, or to perform brain surgery. It is now called a craniotomy, and the removed piece of skull is usually put back as soon as possible, or replaced with another material to close the hole.. Traditional trepanation is used today for esoteric reasons, with some believing it to be a path to enlightenment. Such people claim it raises consciousness, improves concentration and makes one feel permanently high. However, because elective trepanation is not a recognized medical procedure, those wishing to have it done must do so themselves.. The foremost modern proponent of self-trepanation was Dutch librarian, Bart Hughes, who believed it was the only way for adults to reach their full potential. Hughes trepanned himself in 1965; he claimed it took 45mins to complete the operation and four hours to clean the blood off the walls and ceiling. Ten days later, in a public "Art Happening" in Amsterdam, ...
Unique and Superb bound Poster Collection of the finest Eye Anatomy works of Ophthalmic Artist Stephen F. Gordon. 16 topics, 11x17 each which includes individual posters of: Anatomy of the Eye, The Eye, Cornea, Angle, Crystalline Lens, Vitreous Humor, Choroid, Retina, Macula, Optic Nerve, Eyelids, Extraocular Tissues, Extraocular Muscles, Lacrimal System, Bony Orbit, and Visual Pathway. Extreme detailed reference for all patient and staff education scenarios. Perfect for each exam room for quick and clear consultation. Extra large size for Low Vision persons. Perfect tool for group education presentations too.
Equine Trephination Instrument Set - Basic - This instrument set is ideal to gain access to equine paranasal sinuses for explorationSuitable for repulsing diseased cheek teethIdeal for placing lavage
Dont do it yourself. I had something similar at the base of my hairline on the back of my neck. I went to a clinic and had a surgeon deal with it -- she injected some lidocaine, sliced the thing open, and excised the stuff inside... but after scraping all the stuff out, whats left behind is a space inside that could very VERY easily become infected. She packed it with gauze, and for two weeks, I had to have the thing unpacked, cleaned out with sterile fluid, and repacked, until the space closed up and healed (basically every day there would be less and less space to pack). It was painful and messy, and I would be very leery of trying to do this sort of thing yourself. Also, if you dont get all the stuff out (which would be very difficult to do if youre doing this solo, since you cant see what youre doing as well as someone else can), theres a high probability that the cyst will return. And then you might need real surgery, not just lidocaine and squeezing/scraping. I say suck it up and go ...
1988) and enhanced by protein alkylation in others фTephly et al. Full- thickness eye wall resection Evaluation of preoperative photocoagulation.
... are small holes that a neurosurgeon makes in the skull to help relieve pressure on the brain when fluid, such as blood, builds up and starts to compress brain tissue.
Thousands years ago people learned to perform surgery on opening of a skull, or trepanation. The observer of BBC Earth tells about a possible purpose of this
Goresoaked Clinical Accidents is a studio album by Aborted Fetus. Released: 2012-11-26. Genres: Brutal Death Metal. Labels: Sevared Records. Rating: 75/100. Songs: Handicraft Trepanation, Hominal Repair, Into My Flesh(pot), Goresoaked Clinical Accident, Bacterial Sperm Mutation, Cutting Memories, Autofagus...
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operasi ini disebut trephination, operasi tertua.Trephined human skull fossils date as far back as 10,000 years to the people of the European Neo...
48 hypothermic storage corneas (Optisol-C, mean storage time -151,8 �Â�± 43,9 hours) were measured by Optovue intraoperatively. The minimum thickness was 642,9 �Â�± 40,8 �Â�µ. The parameters of VICTUS trepanation were selected in accordance with thickness of donor cornea. In cases of the thickness less 700 �Â�µ, the donor trepanation diameter was 100-200 �Â�µ bigger than recipient one. In cases of thickness above 700 �Â�µ, the addition for recipient trepanation diameter was 250-300 �Â�µ. Bed energy was 1100 and 1200-1300 nJ accordantly. Spot spacing was 5,5 �Â�µm, line spacing �â� � 2,5 �Â�µm, rim cut angle - 90�Â�° for all cases ...
Peruvian Male Skull with Cranial Binding and Trephination. Dated over 2,000 years old this skull is an extreme example of binding and elongation. Cranial binding is the shaping of the skull, when a child is very young, usually an infant. This wrapping, or binding is thought to be the oldest form of body modifications, dating back 9,000 years. Additionally, this skull is trephinated that has mostly healed.
The clamp jaws accommodate between them the bone areas which are adjacent to the cut gap (20) and they are joined to one another by a link which is positionable in the cut gap or in a trepanation hole (14-16). They are adjustable from a spaced apart position into a position where they clamp the bone areas located between them. The clamp jaws can be fed through the trepanation hole and the link that joins them together may be a deformable rib, formed so that rib and jaws are an one-piece, clamp type bent stamped part. A projecting holding component may be arranged on at least one of the facing insides of the jaws.
Then on the 16th we had a follow-up appointment in Layton with the doctor that did Clays eye surgery on the 11th and 12th. The doctor told us that although the procedure that he did the previous week had worked, the retina had now detached on the bottom of his eye. Which meant major surgery the next day at St. Marks Hospital in Salt Lake. So, we headed back down the next morning where they performed surgery on Clays eye. The first surgery that they did in the doctors office was called a Pneumatic Retinopexy where they injected a gas bubble into the vitreous space inside the eye enabling the gas bubble to push the retinal tear back against the wall of the eye and close the tear. Then, they used a laser to secure the retina to the eye wall around the retinal tear. The procedure that they performed at the hospital is called a Vitrectomy, where the vitreous gel is removed which is pulling on the retina. Then the vitreous is replaced with a gas bubble, which filled 100% of his eye. Your bodys own ...
What is glaucoma? The eyeball is a pressurised structure, like a football. At the back of the eye, there is a small circular opening or canal in the eye wall, from which stems a stalk-like structure called the optic nerve. This nerve carries all of the visual signals from the retina to the brain. Some…
0081] Mirror M2 serves to direct the light onto the target, and may be used in a variety of ways. Mirror M2 could be a dichroic element that the user looks through in order to visualize the target directly or using a camera, or may be made as small as possible to provide an opportunity for the user to view around it, perhaps with a binocular microscope. If a dichroic element is used, it may be made to be photopically neutral to avoid hindering the users view. An apparatus for visualizing the target tissue is shown schematically as element V, and is preferably a camera with an optional light source for creating an image of the target tissue. The optional aiming beam AIM may then provide the user with a view of the disposition of the treatment beam, or the location of the identified targets. To display the target only, AIM may be pulsed on when the scanner has positioned it over an area deemed to be a target. The output of visualization apparatus V may be brought back to the system via the ...
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ctDNA analysis will be performed every 4 months postoperatively (4, 8, 12, 16, 20 and 24). At time of first positive ctDNA, patients undergo a whole-body FDG-PET/CT-scan for radiological assessment and a colonoscopy. If the initial assessment is without evidence of recurrence, patients will be offered high-intensive radiological surveillance with FDG-PET/CT-scans every 3 months, until recurrence detection or 21 months has passed. At months 4, 12, 24 and 36 patients complete the QoL questionnaires including EORTC QLQ-C30, fear of cancer recurrence inventory (FCRI), and impact of events scale for cancer (IES-C). At every FDG-PET/CT-scans the patients also complete the FCRI questionnaire ...
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Chronic subdural hematoma (cSDH) is one of the most common neurosurgical conditions. Its significantly higher prevalence among patients older than 65 (69%) versus younger (31%) explains why 41% of the patients are taking blood thinners. Antiplatelet therapy in patients with chronic subdural hematoma (cSDH) presents significant neurosurgical challenges. Studies investigating the effect of acetylsalicylic acid (ASA) in cranial neurosurgery are sparse and mostly based on case reports. Given the lack of guidelines regarding perioperative management with antiplatelet therapy, it is difficult to balance the patients increased cardiovascular risk and prevalence of cSDH. The aim of our randomized, blinded, placebo controlled clinical study is to compare the peri- and postoperative bleeding and cardiovascular complication rates of patients undergoing burr-hole trepanation for cSDH with and without discontinuation of low-dose ASA. We will include patients receiving low-dose ASA as secondary prophylaxis ...
TY - JOUR. T1 - Chronic subdural hematoma. T2 - Evaluation of the clinical significance of postoperative drainage volume. AU - Kwon, Taek-Hyun. AU - Park, Youn-Kwan. AU - Lim, Dong Jun. AU - Cho, Tai Hyoung. AU - Chung, Yong Gu. AU - Chung, H. S.. AU - Suh, J. K.. PY - 2000/1/1. Y1 - 2000/1/1. N2 - Object. A wide variation in postoperative drainage volumes is observed during treatment of chronic subdural hematoma (CSDH) with twist-drill or burr-hole craniostomy and closed-system drainage. In this study the authors investigate the causes of the variation, the clinical significance thereof, and its influence on treatment outcome. Methods. A total of 175 cases were investigated between January 1991 and December 1997. Of these, 145 patients had surgery for CSDH, of whom 30 had bilateral lesions. The cases of CSDH were divided into five subtypes (low-density, isodense, high-density, mixed-density, and layering types) on the basis of the brain computerized tomography (CT) findings. Burr-hole ...
Chronic subdural haematoma is a collection of liquid (as opposed to solid or clotted) blood between the brain and the lining of the brain (the dura).. Chronic subdural haematoma occurs more commonly in the elderly, as their brains tend to shrink a little and the veins running from the brain to the sinuses on the inside of the skull are more prone to rupture by stretching. This can occur after a minor trauma.. ...
Mathematical formulae are commonly used to estimate intra-cranial haematoma volume. Such formulae tacitly assume an ellipsoid geometrical morphology. Recently, the XYZ/2 formula has been validated and recommended for chronic subdural haematoma (CSDH) volumetric estimation. We aimed to assess the precision and accuracy of mathematical formulae specifically in estimating CSDH volume, and to determine typical CSDH 3-D morphology. Three extant formulae (XYZ/2, π/6·XYZ and 2/3S·h) were compared against computer-assisted 3D volumetric analysis as Gold standard in CTs where CSDH sufficiently contrasted with brain. Scatter-plots (n = 45) indicated that, in contrast to prior reports, all formulae most commonly over-estimated CSDH volume against 3-D Gold standard (2/3S·h: 44.4%, XYZ/2: 48.84% and π/6·XYZ: 55.6%). With all formulae, imprecision increased with increased CSDH volume: in particular, with clinically-relevant CSDH volumes (i.e. , 50 ml). Deviations , 10% of equivalence were ...
J Neurosurg 127:732-739, 2017. Symptomatic chronic subdural hematoma (CSDH) will become an increasingly common presentation in neurosurgical practice as the population ages, but quality evidence is still lacking to guide the optimal management for these patients. The British Neurosurgical Trainee Research Collaborative (BNTRC) was established by neurosurgical trainees in 2012 to improve research by combining the efforts of trainees in each of the United Kingdom (UK) and Irelands neurosurgical units (NSUs). The authors present the first study by the BNTRC that describes current management and outcomes for patients with CSDH throughout the UK and Ireland. This provides a resource both for current clinical practice and future clinical research on CSDH.. METHODS Data on management and outcomes for patients with CSDH referred to UK and Ireland NSUs were collected prospectively over an 8-month period and audited against criteria predefined from the literature: NSU mortality , 5%, NSU morbidity , 10%, ...
Purpose The use of anticoagulant therapy as a causative agent in the development of chronic subdural haematomas (CSDH) was investigated. We suspected a high incidence of anticoagulant therapy or anti-thrombotic therapy in patients who presented with
2Sheri-Kashmir Institute of Medical Sciences, Department of Anesthesiology, Kashmir, India DOI : 10.5137/1019-5149.JTN.8465-13.0 AIM: To analyze the analysis of recurrence rates of single versus double burr holes in patients with subacute and chronic subdural hematomas.. MATERIAL and METHODS: The study was a prospective randomized controlled trial on patients with subacute and chronic subdural hematomas. Collections with membranes or septae were excluded from the study. A written consent was taken from the patient or patient party after explaining the procedure. A total of 254 patients were enrolled in the study over a period of 18-months in the Department of Neurosurgery, Sheri-Kashmir-Institute of Medical Sciences, Srinagar, Kashmir.. RESULTS: Recurrence rates in single and double-burr-hole groups were 6.15% and 4.83% respectively, which was not statistically significant.. CONCLUSION: Most of the subdural hematomas can be dealt by single burr-hole drainage. Keywords : Subdural hematoma, ...
Malabar Institute of Medical Sciences, Department of Neurological Sciences, Kozhikode, Kerala, India DOI : 10.5137/1019-5149.JTN.8830-13.1 AIM: To compare the rates of recurrence of chronic subdural hematoma following surgical evacuation by one of two methods, namely, using frontal and parietal burr holes without a drain or a single parietal burr hole with the addition of a subdural drain.. MATERIAL and METHODS: This was a randomized controlled trial with two groups of 70 patients each. Patients in group I had two burr holes and those in group II had a single burr-hole. A subdural drain was placed for the second group, and this was removed 48-72 hours later. Patients were followed up for 3 months and symptomatic recurrences underwent re-exploration.. RESULTS: 11 out of 70 patients in group I had recurrent hematomas requiring surgery while only two out of 70 patients in group II had symptomatic recurrences. The difference was statistically significant (p=0.0168).. CONCLUSION: The use of a single ...
Chronic subdural hematomas (cSDHs) have shown an increasing incidence in an ageing population over the last 20 years, while unacceptable recurrence rates of up to 30 % persist. The chronic subdural hematoma recurrence rate seems to be related to the excessive neoangiogenesis in the parietal membrane, which is mediated via vascular endothelial growth factor (VEGF). This is found to be elevated in the haematoma fluid and is dependent on eicosanoid/prostaglandin and thromboxane synthesis via cyclooxygenase-2 (COX 2). With this investigator-initiated trial (IIT) it was thought to diminish the recurrence rate of operated-on cSDHs by administering a selective COX-2 inhibitor (Celecoxib) over 4 weeks time postoperatively in comparison to a control group.. The thesis of risk reduction of cSDH recurrence in COX-2-inhibited patients was to be determined in a prospective, randomised, two-armed, open phase-II/III study with inclusion of 180 patients over a 2-year time period in four German university ...
Exploring the role of pharmacological interventions in the management of cSDH patients is important because these interventions could target specific underlying pathophysiological mechanisms.
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Objective: Bedside percutaneous subdural tapping (BPST) in local anesthesia has proofed equally effective to placing subdural drains via extended burr-hole trephination. However, chronic subdural hematomas frequently consist of subacute parts with clots and septated compartments. In our institution [for full text, please go to the a.m. URL ...
Patients suffering from chronic eye condition called uveitis may now have an alternative approach better than the conventional treatment. According to a new research, an immune based drug called Humira has shown promise against eye inflammation and can potentially improve the way eye inflammation has been treated today.. Dont Miss the CES 2018 Highlights. "Patients may have many unwanted side effects when taking steroids long-term, as many uveitis patients do," said lead researcher Dr. Glenn Jaffe from Duke University. "The goal of these studies was to determine whether there was an alternative that could replace or minimize the use of steroids. The studies also looked at whether an alternative would be better tolerated or more effective, yet still safe.". Uveitis is a form of eye inflammation that affects the middle layer of the tissue in eye wall. The symptoms fot the disease may include eye redness, pain and blurred vision and can range from mild to severe. The symptoms often come suddenly ...
The force of a champagne cork can shatter glass-and it can also seriously injure your eye. Warm bottles of champagne and improper cork-removal techniques cause serious, potentially blinding eye injuries each year. Champagne bottles contain pressure as high as 90 pounds per square inch-more than the pressure found inside a typical car tire. This pressure can launch a champagne cork at 50 miles per hour as it leaves the bottle. Champagne cork mishaps can lead to a variety of serious eye injuries, including rupture of the eye wall, acute glaucoma, retinal detachment, ocular bleeding, dislocation of the lens, and damage to the eyes bone structure. These injuries sometimes require urgent eye surgeries, and can even lead to blindness in the affected eye. Ophthalmologist Monica L. Monica says, When a champagne cork flies, you really have no time to react and protect your delicate eyes. Uncontrolled champagne corks can lead to painful eye injuries and devastating vision loss. We dont want anyone to ...
The vitreous is a clear liquid that fills our eyes and gives them shape. As we age, the vitreous thins and separates from the retina. Although this usually results in nothing more than a few harmless floaters, tension from the detached vitreous can sometimes tear the retina.. If liquid seeps through the tear and collects behind the retina or between its nerve layers, the retinal tear can become a retinal detachment. Retinal detachment can cause significant, permanent vision loss and requires immediate medical treatment.. There are three kinds of retinal detachment. The most common form, described above, occurs when fluid leaks into the retina; people who are nearsighted or who have had an injury or eye surgery are most susceptible. Less frequently, friction between the retina and vitreous or scar tissue pulls the retina loose, something that occurs most often in patients with diabetes. Third, disease-related swelling or bleeding under the retina can push it away from the eye wall.. Signs of ...
All eyes included in these study were assigned to 4 groups: Keratoconus(KC) without scar (group 1); KC with scar/hydrops(group 2); non-scarred corneas other than KC (group 3), and scarred corneas other than KC(group 4). In all cases a new technique was used for pneumatic dissection: first a 9mm trephination was performed to reach a depth within 100μm from the endothelial surface (based on the thinnest AS-OCT measurement at this site),then air was injected by means of a cannula advanced 1-2mm centripetally from the bottom of the trephination. Success rate of pneumatic dissection and complications were recorded for each group ...
A version of trepanation is performed by neurosurgeons for very different reasons today, Podolsky said. These days, surgeons use the technique and different tools for drilling a small hole in the skull (but not into the brain itself) when theres internal bleeding due to trauma, such as from a car accident. Trepanning may also be used for a subdural hematoma, which is bleeding between the cover of the brain and the brain itself, which can commonly occur after an older adult suffers a minor head injury, or when a stroke has occurred, Podolsky said. ...
Roles of microglia in brain development, tissue maintenance and repair. 2015== En god artikel om mikroglias funktion i hjernen se NeuroWiki artikel om emnet baseret på denne artikel [[Microglia]] --[[Bruger:Jannick Brennum,Jannick Brennum]] 27. dec 2015, 11:01 (UTC) ==How "successful" is calvarial reconstruction using frozen autologous bone?== Artikel fra "downunder" af bl.a. Steve Honeybull som flere af os kender. I denne artikel viser de at i 29% af tilfælde hvor reimplantere en kranieplade der efter kraniotomy har været opbevaret i fryser oplever problemer i form af infektion eller resorption af knoglepladen. Det var ikke et lille materiale, N=156 fra perioden 2004 - 2010 [http://www.ncbi.nlm.nih.gov/pubmed/23096611?dopt=Citation Pubmed link] --[[Bruger:Jannick Brennum,Jannick Brennum]] 12. nov 2012, 19:19 (UTC) ==Anticoagulation therapy a risk factor for the development of chronic subdural hematoma== En overvejelse vi ofte har drøftet: Medfører antikoagulations behandling efter ...
The Dex-CSDH trial is a randomised, double-blind, placebo-controlled trial of dexamethasone for patients with a symptomatic chronic subdural haematoma. The trial commenced with an internal pilot, whose primary objective was to assess the feasibility of multi-centre recruitment. Primary outcome data collection and safety were also assessed, whilst maintaining blinding. We aimed to recruit 100 patients from United Kingdom Neurosurgical Units within 12 months. Trial participants were randomised to a 2-week course of dexamethasone or placebo in addition to receiving standard care (which could include surgery). The primary outcome measure of the trial is the modified Rankin Scale at 6 months. This pilot recruited ahead of target; 100 patients were recruited within nine months of commencement. 47% of screened patients consented to recruitment. The primary outcome measure was collected in 98% of patients. No safety concerns were raised by the independent data monitoring and ethics committee and only ...
As the trepanation diagram makes clear, the scientific basis of this therapy goes something like this: the brain contains two fluids - blood and water (cerobrospinal fluid, but immediately forget this term and just think of it as water only). Blood supplies the brain with energy, water does not. When the skull sutures seal "the brain can no longer pulsate on the heartbeat". Therefore: "the arteries and capillaries can no longer expand" with each heartbeat. Therefore: "a certain amount of blood falls from the brain". Therefore: "the energy and spontaneity associated with youth diminish". Drilling a hole in the head allows this pulsation to return to normal and "a significant amount of energy, lost with adulthood, returns ...
On October 29th 2007, whilst travelling to a show in Gomel, Belarus, the band were involved in an automobile accident. Their tour bus collided with a truck carrying wood, injuring Vitek and Covan seriously. They were put in intensive care at a local hospital in Novozybkov, Russia. The bus was said to be beyond repair following the crash, an indication of the seriousness of the collision. On November 1, 2007, the family of Covan released a statement that said that Covans condition was improving, but Viteks condition was not. The following day, the Polish Internet Portal website Onet.pl released a statement that said Vitek underwent trepanation to try and relieve some of the pressure exerted on his brain. On November 2, 2007, Witold ``Vitek`` Kieltyka was declared dead due to injuries sustained from the bus accident" ...
Galen. Before the advent of evidence-based medicine, most physicians took an attitude like Galens toward their prescriptions. If their remedies did not work, surely the fault was with their patient. For centuries scores of revered doctors did not consider putting bloodletting or trepanation to the test. Randomized trials to evaluate the efficacy of a treatment were not common practice. Doctors like Archie Cochrane, who fought to make them part of standard protocol, were met with fierce resistance. Philip Tetlock, author of Superforecasting: The Art and Science of Prediction (2015), contends that the state of forecasting in the 21st century is strikingly similar to medicine in the 19th. Initiatives like the Good Judgement Project (GJP), a website that allows anyone to make predictions about world events, have shown that even a discipline that is largely at the mercy of chance can be put on a scientific footing.. More than once the author reminds us that the key to success in this endeavor is not ...
A bone biopsy arrangement especially suited for use in obtaining axial skeleton trephine samples from the spinal vertebra centrum of a living test specimen in a safe and rapid manner. The disclosed arrangement uses radiographic mapping, precise mechanical control of the trephine with an apparatus disclosed in detail, conventional trephine energizing and a test specimen such as a rhesus monkey. Improved quality plural samples from a single test subject that were heretofore considered too inaccessible and dangerous for practicality are achieved.
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