PhlebotomyCapillariesBlood Specimen CollectionBloodlettingPrilocaineCryingElectrophoresis, CapillaryHeelNontherapeutic Human ExperimentationSubclavian VeinVacuumPunctures2-PropanolTetracaineVenereologyPainNeedlesCatheterization, PeripheralOintmentsAcepromazineBlood Chemical AnalysisCapillary ActionAntisepsisPathology Department, HospitalPain MeasurementPacifiersLidocaineAnesthetics, LocalAnalgesiaCapillary PermeabilityVeinsHemangioma, CapillaryCapillary ResistanceCatheterization, Central VenousSweetening AgentsClavicleNurse-Patient RelationsSucroseAnesthesia, LocalCapillary ElectrochromatographyDosage FormsChild, HospitalizedPaperInfant, NewbornCatheters, IndwellingBloodJugular VeinsCapillary Leak SyndromeGelsVideo RecordingSpecimen HandlingDouble-Blind MethodFalse Positive ReactionsChild PsychologyTime FactorsCapillary FragilityAdministration, CutaneousMicrocirculationCattleRetinal VesselsPacemaker, ArtificialReproducibility of ResultsRadioimmunoassayInfant, PrematureNeovascularization, PhysiologicHydrocortisoneProspective StudiesCapillary TubingAnimal FeedAdministration, OralSwineEndothelium, VascularCorrosion CastingKidney GlomerulusNailsPregnancyMicroscopic Angioscopy