Anti-HIV Agents human 12 Humans 10 anti human immunodeficiency virus agent 10 article 10 unclassified drug 8 HIV-1 6 Human immunodeficiency virus 1 6 controlled study 6 nonhuman 6 physiology 6 2',3' dideoxynucleoside derivative 4 Animals 4 Cell Line 4 Cell Survival 4 Dideoxynucleosides 4 Human immunodeficiency virus 1 infection 4 Junin virus 4 Virus Replication 4 antiviral activity 4 cell line 4 chemistry 4 drug effect 4 human cell 4 priority journal 4 randomized controlled trial 4 virology 4 virus particle 4 zidovudine 4 5beta 24 norcholest 22 ene 3alpha,4alpha,11beta,21 tetrol 3,21 disulfate 2