Fluorescence Polarization ImmunoassayEnzyme Multiplied Immunoassay TechniqueFluorescence PolarizationImmunoassayImmunoenzyme TechniquesAcecainideRadioimmunoassayDigoxinSolanineChromatography, High Pressure LiquidAutoanalysisBlood StainsPhenytoinSubstance Abuse DetectionReagent Kits, DiagnosticGentamicinsVancomycinQuality ControlCyclosporinsGas Chromatography-Mass SpectrometrySpectrometry, FluorescenceTeicoplaninDrug MonitoringBiological AssayFluorescenceFalse Negative ReactionsDiphenylhexatrieneHomocysteineCross ReactionsTheophyllineSensitivity and SpecificityCyclosporineReproducibility of ResultsFluorescent Antibody TechniqueFetal Organ MaturityFluorescent DyesMembrane FluidityAnti-Bacterial AgentsFluoresceinsMicroscopy, Fluorescence