ZidovudineDideoxynucleosidesAnti-HIV AgentsReverse Transcriptase InhibitorsLamivudineHIV InfectionsDidanosineStavudineHIV-1Drug HypersensitivityOrganophosphonatesDrug Therapy, CombinationBenzoxazinesOxazinesNevirapineHIV Reverse TranscriptaseAdenineZalcitabineAntiretroviral Therapy, Highly ActiveAcquired Immunodeficiency SyndromeHLA-B AntigensIndinavirInfectious Disease Transmission, VerticalCD4 Lymphocyte CountViral LoadDideoxynucleotidesAIDS-Related ComplexHIV Protease InhibitorsDrug Resistance, ViralDrug Resistance, Multiple, ViralRNA, ViralPregnancy Complications, InfectiousDrug InteractionsAnti-Retroviral AgentsRitonavirTreatment FailureArea Under CurveLopinavirHIVLipodystrophyHIV Core Protein p24Double-Blind MethodThymine NucleotidesTabletsHIV-Associated Lipodystrophy SyndromeStandard of CareDrug Administration ScheduleDrug CombinationsAntiviral AgentsDeoxyguanine NucleotidesPharmacogeneticsHalf-LifeTreatment OutcomeChromatography, High Pressure LiquidDrug Resistance, MicrobialBotswanaDibenzocycloheptenesMutationDrug Dosage CalculationsNelfinavirCarbamatesPatch TestsPregnancyChemistry, PharmaceuticalBiomarkers, PharmacologicalGenotypeCoagulantsAdministration, OralRNA-Directed DNA PolymeraseAppetite StimulantsPilot ProjectsDeoxycytidineAcridinesSaquinavirHIV SeropositivityIntention to Treat AnalysisPyrimidinonesUgandaThymidine MonophosphateInfant, NewbornNucleosidesLeukocyte Count