Fluorescence Polarization ImmunoassayFluorescence PolarizationImmunoassayEnzyme Multiplied Immunoassay TechniqueEtherParasitologyIntestinal Diseases, ParasiticDigoxinSolanineProtozoan InfectionsChromatography, High Pressure LiquidAutoanalysisBlood StainsPhenytoinStrongyloides stercoralisSubstance Abuse DetectionFecesReagent Kits, DiagnosticStrongyloidiasisGentamicinsRadioimmunoassayVancomycinQuality ControlCyclosporinsFormaldehydeSpectrometry, FluorescenceGas Chromatography-Mass SpectrometryTeicoplaninParasite Egg CountImmunoenzyme TechniquesDrug MonitoringSpecimen HandlingBiological AssayFluorescenceDiphenylhexatrieneHomocysteineFalse Negative ReactionsTheophyllineCross ReactionsCyclosporineSensitivity and SpecificityFetal Organ MaturityFluorescent Antibody TechniqueReproducibility of ResultsFluorescent DyesMembrane FluidityAnti-Bacterial AgentsMicroscopy, FluorescenceFluoresceinsMicroscopy, Polarization