Drug ResistanceDrug Resistance, ViralDrug Resistance, NeoplasmDrug Resistance, MultipleDrug Resistance, MicrobialReverse Transcriptase InhibitorsDrug Resistance, BacterialDrug Resistance, Multiple, ViralAnti-HIV AgentsHIV Reverse TranscriptaseDrug Resistance, Multiple, BacterialHIV InfectionsHIV-1MutationDrug Resistance, FungalMicrobial Sensitivity TestsAnti-Bacterial AgentsDisease ResistanceHIV ProteaseP-GlycoproteinVascular ResistanceZidovudineHIV Protease InhibitorsAntitubercular AgentsGenotypeOrganophosphonatesTuberculosis, Multidrug-ResistantAntiretroviral Therapy, Highly ActiveLamivudineNucleosidesMolecular Sequence DataAntineoplastic AgentsDideoxynucleosidesStavudineAntimalarialsMutation, MissenseAdenineTreatment FailureMultidrug Resistance-Associated ProteinsSequence Analysis, DNAMycobacterium tuberculosisR FactorsATP-Binding Cassette TransportersAnti-Retroviral AgentsCell Line, TumorGenes, MDRViral LoadTetracycline ResistanceDrug Resistance, Multiple, FungalPenicillin ResistanceStreptomycinNevirapineDoxorubicinTetracyclineIsoniazidChloroquineBacterial ProteinsCD4 Lymphocyte CountPlant DiseasesParasitic Sensitivity TestsPhenotypeRifampinPlasmodium falciparumDNA, BacterialEscherichia coliDrug Therapy, CombinationAirway ResistanceAcidosis, LacticDidanosineBenzoxazinesConjugation, GeneticBase SequencePolymerase Chain ReactionTime FactorsPyrimethamineHIVPlasmidsMembrane Transport ProteinsApoptosisTumor Cells, CulturedKanamycinbeta-Lactam ResistanceRNA, ViralResistance TrainingLopinavirAmino Acid SequenceZalcitabineChloramphenicol ResistancePrevalenceMalaria, FalciparumCell SurvivalGenes, BacterialInhibitory Concentration 50RitonavirSulfadoxineDrug SubstitutionAmpicillin ResistanceAntifungal AgentsTetrahydrofolate DehydrogenaseHIV-Associated Lipodystrophy Syndrome