Fluorescence Polarization ImmunoassayFluorescence PolarizationImmunoassayEnzyme Multiplied Immunoassay TechniqueDigoxinSolanineChromatography, High Pressure LiquidDrug MonitoringAutoanalysisBlood StainsPhenytoinGentamicinsVancomycinSubstance Abuse DetectionReagent Kits, DiagnosticRadioimmunoassayTeicoplaninQuality ControlCyclosporinsGas Chromatography-Mass SpectrometrySpectrometry, FluorescenceImmunoenzyme TechniquesCyclosporineBiological AssayFluorescenceHomocysteineDiphenylhexatrieneFalse Negative ReactionsTheophyllineAnti-Bacterial AgentsCross ReactionsSensitivity and SpecificityFetal Organ MaturityReproducibility of ResultsFluorescent Antibody TechniqueTacrolimusFluorescent DyesMembrane FluidityArea Under CurveMicroscopy, FluorescenceFluoresceinsMicroscopy, Polarization