Drug MonitoringPhenytoinPharmacokineticsPharmacology, ClinicalArea Under CurvePharmaceutical PreparationsChromatography, High Pressure LiquidNortriptylineDose-Response Relationship, DrugHalf-LifeTriazolesCarbamazepineAnticonvulsantsBiological AvailabilityHIV Protease InhibitorsDrug InteractionsAntifungal AgentsPlasmaMetabolic Clearance RateDigoxinPyrimidinonesAnti-Bacterial AgentsFluorescence Polarization ImmunoassayTacrolimusTheophyllineAntineoplastic AgentsAdministration, OralImmunosuppressive AgentsPharmacological PhenomenaLopinavirDrug Delivery SystemsBlood Chemical AnalysisInjections, IntravenousAnti-HIV AgentsDried Blood Spot TestingRitonavirModels, BiologicalDrug CarriersMycophenolic AcidPyrimidinesBenzoxazinesTissue DistributionDrug Evaluation, PreclinicalDrug Administration ScheduleAntidepressive Agents, TricyclicPrimidoneGentamicinsBlood Specimen CollectionTime FactorsRifampinCyclosporineVoltage-Gated Sodium Channel BlockersPhenobarbitalVancomycinHIV InfectionsAnti-Infective AgentsEthosuximideProcainamideMycosesReverse Transcriptase InhibitorsIndinavirTandem Mass SpectrometryDrug Therapy, CombinationAmikacinEnzyme Multiplied Immunoassay TechniqueMicrobial Sensitivity TestsDrug OverdoseDrug StabilityIsoxazolesSpecimen HandlingDrug CombinationsP-GlycoproteinChemistry, ClinicalNeoplasmsCell SurvivalEpilepsyKineticsAcetamidesPlicamycinCell Line, TumorReproducibility of ResultsTreatment OutcomeDrug-Related Side Effects and Adverse ReactionsBlood-Brain BarrierInhibitory Concentration 50Delayed-Action PreparationsChromatography, LiquidSpectrophotometry, Ultraviolet6-MercaptopurineProtein BindingDrug DiscoveryValproic AcidBayes TheoremDrug DesignDisease Models, AnimalPyridinesDrug Screening Assays, AntitumorCefonicidAcetaminophenXenobiotics