Measurement and evaluation of the components of substances to be taken as FOOD.
Any substances taken in by the body that provide nourishment.
The production and movement of food items from point of origin to use or consumption.
The relationships of groups of organisms as reflected by their genetic makeup.
Conferences, conventions or formal meetings usually attended by delegates representing a special field of interest.
Created 1 January 1993 as a result of the division of Czechoslovakia into the Czech Republic and Slovakia.
The interaction of persons or groups of persons representing various nations in the pursuit of a common goal or interest.
Created as a republic in 1918 by Czechs and Slovaks from territories formerly part of the Austro-Hungarian Empire. The country split into the Czech Republic and Slovakia 1 January 1993.
Group of alpharetroviruses (ALPHARETROVIRUS) producing sarcomata and other tumors in chickens and other fowl and also in pigeons, ducks, and RATS.
Hybridization of a nucleic acid sample to a very large set of OLIGONUCLEOTIDE PROBES, which have been attached individually in columns and rows to a solid support, to determine a BASE SEQUENCE, or to detect variations in a gene sequence, GENE EXPRESSION, or for GENE MAPPING.
A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.
A game in which a round inflated ball is advanced by kicking or propelling with any part of the body except the hands or arms. The object of the game is to place the ball in opposite goals.
Cells in certain regions of an embryo that self-regulate embryonic development. These organizers have been found in dorsal and ventral poles of GASTRULA embryos, including Spemann organizer in amphibians, and Hensen node in chicken and mouse. These organizer cells communicate with each other via a network of secreted signaling proteins, such as BONE MORPHOGENETIC PROTEINS and their antagonists (chordin and noggin).
The chromosome region which is active in nucleolus formation and which functions in the synthesis of ribosomal RNA.
A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. Cost effectiveness compares alternative ways to achieve a specific set of results.
The actual costs of providing services related to the delivery of health care, including the costs of procedures, therapies, and medications. It is differentiated from HEALTH EXPENDITURES, which refers to the amount of money paid for the services, and from fees, which refers to the amount charged, regardless of cost.
Accounting procedures for determining credit status and methods of obtaining payment.