Drug MonitoringDrug ResistanceDrug Resistance, NeoplasmDrug Resistance, ViralDrug Resistance, MultipleDrug Resistance, MicrobialDrug Resistance, BacterialDrug Resistance, Multiple, BacterialAnti-Bacterial AgentsDrug Resistance, FungalMutationMicrobial Sensitivity TestsAnti-HIV AgentsP-GlycoproteinPhenytoinAntineoplastic AgentsDisease ResistanceHIV Protease InhibitorsDrug Resistance, Multiple, ViralPharmacology, ClinicalVascular ResistanceAntitubercular AgentsNortriptylineHIV InfectionsTuberculosis, Multidrug-ResistantCell Line, TumorHIV-1Antifungal AgentsPharmacokineticsMolecular Sequence DataReverse Transcriptase InhibitorsPharmaceutical PreparationsRifampinGenotypeDose-Response Relationship, DrugTriazolesChromatography, High Pressure LiquidAntimalarialsHIV ProteaseAnticonvulsantsMultidrug Resistance-Associated ProteinsPyrimidinesHIV Reverse TranscriptaseDried Blood Spot TestingMycobacterium tuberculosisR FactorsCarbamazepineATP-Binding Cassette TransportersPlasmaArea Under CurvePyrimidinonesGenes, MDRTetracycline ResistanceDigoxinDrug Resistance, Multiple, FungalPenicillin ResistanceStreptomycinPharmacological PhenomenaDrug InteractionsApoptosisImmunosuppressive AgentsDoxorubicinNeoplasmsLopinavirTacrolimusTetracyclineIsoniazidChloroquineTime FactorsModels, BiologicalSequence Analysis, DNAInhibitory Concentration 50Fluorescence Polarization ImmunoassayMycophenolic AcidBacterial ProteinsBase SequenceDrug Therapy, CombinationPlant DiseasesCell SurvivalMycosesAmino Acid SequenceParasitic Sensitivity TestsSignal TransductionPhenotypeBlood Chemical AnalysisPlasmodium falciparumDNA, BacterialDrug Screening Assays, AntitumorRitonavirEscherichia coliVancomycinTreatment OutcomePrimidoneAirway ResistanceAntiviral AgentsDrug CombinationsVoltage-Gated Sodium Channel BlockersCyclosporineConjugation, GeneticTheophylline