Fluorescence Polarization ImmunoassayFluorescence PolarizationChromatography, High Pressure LiquidChromatography, AffinityImmunoassayEnzyme Multiplied Immunoassay TechniqueDigoxinSolanineAutoanalysisBlood StainsPhenytoinSubstance Abuse DetectionReagent Kits, DiagnosticGentamicinsRadioimmunoassayVancomycinQuality ControlCyclosporinsGas Chromatography-Mass SpectrometrySpectrometry, FluorescenceTeicoplaninImmunoenzyme TechniquesDrug MonitoringBiological AssayFluorescenceDiphenylhexatrieneHomocysteineFalse Negative ReactionsTheophyllineCross ReactionsSensitivity and SpecificityCyclosporineFetal Organ MaturityReproducibility of ResultsFluorescent Antibody TechniqueFluorescent DyesMembrane FluidityAnti-Bacterial AgentsMicroscopy, FluorescenceFluoresceinsMicroscopy, Polarization