Reverse Transcriptase InhibitorsStavudineAnti-HIV AgentsZidovudineHIV Reverse TranscriptaseDrug Resistance, ViralNucleosidesDidanosineHIV InfectionsDrug Resistance, Multiple, ViralHIV Protease InhibitorsHIV-1BenzoxazinesErythrocebus patasOrganophosphonatesAntiretroviral Therapy, Highly ActiveLamivudineDideoxynucleosidesNevirapineAdenineAcidosis, LacticHIV-Associated Lipodystrophy SyndromeRitonavirViral LoadLopinavirZalcitabineOxazinesCD4 Lymphocyte CountDrug Therapy, CombinationDNA, MitochondrialPyrimidinonesAnti-Retroviral AgentsHIV ProteaseTreatment FailureLactic AcidMutationRNA, ViralMicroscopy, Electron, TransmissionHIVMutation, MissenseAcquired Immunodeficiency SyndromeMitochondria, HeartGenotypeMitochondriaTreatment Outcome