Drug ResistanceDrug Resistance, ViralDrug Resistance, NeoplasmDrug Resistance, MultipleDrug Resistance, MicrobialDrug Resistance, BacterialDrug Resistance, Multiple, BacterialDrug Resistance, FungalMicrobial Sensitivity TestsMutationAnti-Bacterial AgentsDisease ResistanceDrug Resistance, Multiple, ViralP-GlycoproteinVascular ResistanceAntitubercular AgentsTuberculosis, Multidrug-ResistantAnti-HIV AgentsMolecular Sequence DataAntineoplastic AgentsHIV-1GenotypeAntimalarialsHIV ProteaseMultidrug Resistance-Associated ProteinsMycobacterium tuberculosisHIV InfectionsHIV Reverse TranscriptaseATP-Binding Cassette TransportersR FactorsCell Line, TumorGenes, MDRTetracycline ResistanceStreptomycinPenicillin ResistanceDrug Resistance, Multiple, FungalSequence Analysis, DNADoxorubicinTetracyclineBacterial ProteinsIsoniazidReverse Transcriptase InhibitorsChloroquinePhenotypeBase SequencePlant DiseasesDNA, BacterialEscherichia coliPolymerase Chain ReactionParasitic Sensitivity TestsPlasmodium falciparumRifampinAirway ResistanceConjugation, GeneticAmino Acid SequencePlasmidsMutation, MissenseTime FactorsPyrimethamineApoptosisMembrane Transport ProteinsTumor Cells, CulturedKanamycinbeta-Lactam ResistanceHIV Protease InhibitorsResistance TrainingTreatment FailureCell SurvivalPhylogenyGenes, BacterialMalaria, FalciparumChloramphenicol ResistanceInhibitory Concentration 50Antifungal AgentsAmpicillin ResistanceSulfadoxineSignal TransductionAntiviral AgentsImmunity, InnateReverse Transcriptase Polymerase Chain ReactionDose-Response Relationship, DrugTetrahydrofolate Dehydrogenasepol Gene Products, Human Immunodeficiency VirusDrug Screening Assays, AntitumorAntibiotics, AntineoplasticModels, BiologicalEthambutolDrug CombinationsErythromycinNeoplasmsGenetic VariationCell LineP-GlycoproteinsProtozoan ProteinsCisplatinGene Expression Regulation, NeoplasticAnti-Infective AgentsAzolesSpecies SpecificityAnti-Retroviral Agents