Drug MonitoringPhenytoinPharmacology, ClinicalNortriptylineComplex MixturesPharmacokineticsChromatography, High Pressure LiquidPharmaceutical PreparationsTriazolesAnticonvulsantsHIV Protease InhibitorsCarbamazepinePharmacological PhenomenaDigoxinArea Under CurveDried Blood Spot TestingImmunosuppressive AgentsPlasmaTacrolimusFluorescence Polarization ImmunoassayMycophenolic AcidDose-Response Relationship, DrugDrug InteractionsPyrimidinonesBlood Chemical AnalysisLopinavirPrimidoneVoltage-Gated Sodium Channel BlockersTheophyllineAntifungal AgentsEthosuximideMycosesPyrimidinesEnzyme Multiplied Immunoassay TechniqueAntidepressive Agents, TricyclicBiological AvailabilityCyclosporineRitonavirChemistry, ClinicalMetabolic Clearance RateVancomycinPhenobarbitalPlicamycinBlood Specimen CollectionAnti-HIV AgentsProcainamideAnti-Bacterial AgentsXenobioticsDrug Delivery SystemsHalf-LifeAntineoplastic AgentsDrug Evaluation, PreclinicalDrug Discovery6-MercaptopurineModels, BiologicalSpecimen HandlingDrug StabilityHIV InfectionsRifampinIsoxazolesTandem Mass SpectrometryBenzoxazinesEpilepsyBayes TheoremMass SpectrometryNeoplasmsDrug CarriersReproducibility of ResultsKidney TransplantationDrug TherapyIndinavirLithiumNelfinavirGentamicinsMolecular Targeted TherapyDrug-Related Side Effects and Adverse ReactionsSpectrophotometry, UltravioletTreatment OutcomeDrug Therapy, CombinationChromatography, LiquidDrug OverdoseCell Line, TumorOxazolidinonesReverse Transcriptase InhibitorsTriazinesAdministration, OralDrug DesignTime FactorsImmunoassayPharmacogeneticsDrug Administration ScheduleSensitivity and SpecificityAmikacinAcetamidesDisease Models, AnimalInjections, IntravenousRetrospective StudiesDrugs, Chinese HerbalCalibrationMonitoring, Physiologic