Drug Resistance, MultipleDrug Resistance, NeoplasmP-GlycoproteinDrug ResistanceDrug Resistance, ViralRxNormDrug Resistance, MicrobialDrug Information ServicesDrug Resistance, BacterialPharmaceutical PreparationsDrug DesignDrug IndustryAntineoplastic AgentsMultidrug Resistance-Associated ProteinsDrug DiscoveryClinical Trials as TopicDrug Resistance, Multiple, BacterialTerminology as TopicDrug Evaluation, PreclinicalDrug InteractionsDrug Resistance, FungalMicrobial Sensitivity TestsNeoplasmsMutationCell Line, TumorAnti-Bacterial AgentsDisease ResistanceDrug Resistance, Multiple, ViralVascular ResistanceAntitubercular AgentsCytochrome P-450 Enzyme SystemTuberculosis, Multidrug-ResistantDose-Response Relationship, DrugAnti-HIV AgentsHIV-1AntimalarialsHIV ProteaseMolecular Sequence DataGenotypeHIV Reverse TranscriptaseHIV InfectionsMycobacterium tuberculosisR FactorsATP-Binding Cassette TransportersGenes, MDRTetracycline ResistanceDrug Resistance, Multiple, FungalPenicillin ResistanceStreptomycinDoxorubicinTetracyclineReverse Transcriptase InhibitorsIsoniazidChloroquineSequence Analysis, DNABacterial ProteinsPlant DiseasesParasitic Sensitivity TestsPhenotypeRifampinPlasmodium falciparumDNA, BacterialEscherichia coliAirway ResistanceConjugation, GeneticBase SequencePolymerase Chain ReactionPyrimethaminePlasmidsMutation, MissenseMembrane Transport ProteinsApoptosisTumor Cells, CulturedKanamycinbeta-Lactam ResistanceHIV Protease InhibitorsResistance TrainingTreatment FailureAmino Acid SequenceChloramphenicol ResistanceMalaria, FalciparumCell SurvivalGenes, BacterialInhibitory Concentration 50SulfadoxineAmpicillin ResistanceAntifungal AgentsTime FactorsTetrahydrofolate Dehydrogenasepol Gene Products, Human Immunodeficiency VirusAntiviral AgentsDrug Screening Assays, AntitumorImmunity, InnateAntibiotics, AntineoplasticEthambutolSignal TransductionReverse Transcriptase Polymerase Chain ReactionErythromycinDrug CombinationsCisplatin