LamivudineNucleosidesReverse Transcriptase InhibitorsHepatitis B, ChronicPurine NucleosidesOrganophosphonatesAntiviral AgentsAdeninePyrimidine NucleosidesHepatitis B virusNucleoside Transport ProteinsAnti-HIV AgentsHepatitis B e AntigensDrug Resistance, ViralZidovudineStavudineDideoxynucleosidesEquilibrative Nucleoside Transporter 1Hepatitis BDrug Therapy, CombinationHIV InfectionsThioinosinePurine-Nucleoside PhosphorylaseDNA, ViralNevirapineBenzoxazinesDidanosineAlanine TransaminaseHIV-1Viral LoadGuanosineNucleoside-Diphosphate KinasePyrimidinonesInosineHepatitis B Surface AntigensUridineIndinavirZalcitabineHIV Reverse TranscriptaseGuanineOxazinesNucleoside QDideoxynucleotidesDrug Resistance, Multiple, ViralMutationNucleotidesAntiretroviral Therapy, Highly ActiveEquilibrative-Nucleoside Transporter 2Nucleoside-TriphosphataseCytidineTreatment OutcomeRibonucleosidesCytidine TriphosphateGene Products, polNelfinavirArabinofuranosyluracilAdenosineTreatment FailureFormycinsHepatitis B AntibodiesLopinavirRitonavirCD4 Lymphocyte CountPentosyltransferasesNM23 Nucleoside Diphosphate KinasesHIV Protease InhibitorsEquilibrative Nucleoside Transport ProteinsRNA, ViralLiver TransplantationInterferon-alphaDeoxyribonucleosidesThymidineDeoxyadenosines2-AminopurineRecurrenceThymine NucleotidesDeoxycytidineDilazepVirus ActivationHepatitis B Core AntigensVirus ReplicationImmunoglobulinsLiver CirrhosisInfectious Disease Transmission, VerticalMolecular Sequence DataKineticsTubercidinDrug Resistance, MicrobialDNA-Directed DNA PolymeraseRNA-Directed DNA PolymeraseArabinonucleosidesDrug Administration SchedulePurinesDeoxycytidine KinaseAnti-Retroviral AgentsPolyethylene GlycolsPyrimidine PhosphorylasesTherapeutic EquivalencyGenotypeThionucleosides