Fluorescence Polarization ImmunoassayFluorescence PolarizationImmunoassayPlasmaEnzyme Multiplied Immunoassay TechniqueSerumDigoxinSolanineChromatography, High Pressure LiquidAutoanalysisPhenytoinBlood StainsSubstance Abuse DetectionRadioimmunoassayReagent Kits, DiagnosticGentamicinsVancomycinQuality ControlCyclosporinsGas Chromatography-Mass SpectrometrySpectrometry, FluorescenceTeicoplaninImmunoenzyme TechniquesDrug MonitoringBiological AssayHomocysteineFluorescenceDiphenylhexatrieneFalse Negative ReactionsTheophyllineCross ReactionsSensitivity and SpecificityCyclosporineReproducibility of ResultsFluorescent Antibody TechniqueFetal Organ MaturityFluorescent DyesMembrane FluidityAnti-Bacterial AgentsMicroscopy, FluorescenceFluoresceinsMicroscopy, Polarization