Reverse Transcriptase InhibitorsHIV Reverse TranscriptaseOrganophosphonatesAdenineAnti-HIV AgentsDrug Resistance, ViralHIV-1BenzoxazinesHIV InfectionsNevirapineZidovudineDideoxynucleosidesDelavirdineHIV Protease InhibitorsStavudineLamivudineRNA-Directed DNA PolymeraseDrug Resistance, Multiple, ViralDidanosineAntiretroviral Therapy, Highly ActiveRitonavirOxazinesPyrimidinonesNucleosidesViral LoadLopinavirAnti-Retroviral AgentsPyridazinesPyranocoumarinsZalcitabineDrug Therapy, CombinationDideoxynucleotidesCD4 Lymphocyte CountHIVVaginal Creams, Foams, and JelliesRNA, ViralAntiviral AgentsTreatment FailureMutationVirus ReplicationDrug InteractionsHIV-Associated Lipodystrophy SyndromeOrganophosphorus CompoundsHIV Integrase InhibitorsHIV ProteaseNelfinavirPhosphorous AcidsDeoxycytidinePyrrolidinonesRibonuclease HTelomeraseMutation, MissenseSaquinavirMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionGenotypeThymine NucleotidesAcidosis, LacticPyridinesAdministration, IntravaginalReverse TranscriptionAcquired Immunodeficiency Syndromepol Gene Products, Human Immunodeficiency VirusIntegrase InhibitorsDrug CombinationsFuransHIV-2IndinavirArea Under CurveCell LineTreatment OutcomeBase SequenceNitrilesDrug Resistance, MicrobialAnilidesAmino Acid SubstitutionBenzoxazolesDNA, ViralGelsInhibitory Concentration 50Protease InhibitorsPyridonesLeukocytes, MononuclearDNA, MitochondrialAvian myeloblastosis virusChromatography, High Pressure LiquidLipodystrophyFoscarnetSimian immunodeficiency virusMicrobial Sensitivity TestsFanconi SyndromeInfectious Disease Transmission, VerticalSequence Analysis, DNASimian Acquired Immunodeficiency SyndromeErythrocebus patasCells, CulturedSulfur CompoundsDrug Administration ScheduleTemplates, GeneticCohort Studies