Fluorescence Polarization ImmunoassayFluorescence PolarizationImmunoassayEnzyme Multiplied Immunoassay TechniqueDigoxinSolanineChromatography, High Pressure LiquidAutoanalysisBlood StainsPhenytoinSubstance Abuse DetectionReagent Kits, DiagnosticGentamicinsRadioimmunoassayVancomycinQuality ControlCyclosporinsGas Chromatography-Mass SpectrometrySpectrometry, FluorescenceTeicoplaninImmunoenzyme TechniquesDrug MonitoringBiological AssayFluorescenceDiphenylhexatrieneHomocysteineFalse Negative ReactionsTheophyllineCross ReactionsCyclosporineSensitivity and SpecificityFetal Organ MaturityReproducibility of ResultsFluorescent Antibody TechniqueFluorescent DyesMembrane FluidityAnti-Bacterial AgentsMicroscopy, FluorescenceFluoresceinsMicroscopy, Polarization