Antunes, F Efficacy and tolerability of zalcitabine twice daily (HIVBID Study). [electronic resource] - Journal of acquired immune deficiency syndromes (1999) Feb 2004 - 205-6 p. digital Publication Type: Clinical Trial; Letter; Randomized Controlled Trial ISSN: 1525-4135 Standard No.: 10.1097/00126334-200402010-00017 doi Subjects--Topical Terms: AdultAnti-HIV Agents--adverse effectsDrug Administration ScheduleDrug Monitoring--methodsFemaleHIV-1--geneticsHumansMalePilot ProjectsRNA, Viral--bloodReverse Transcriptase Inhibitors--adverse effectsZalcitabine--adverse effects