title: Does zidovudine delay development of AIDS? Analysis of data from observational cohorts.
authors.forename: S D
authors.initials: SD
authors.lastname: Holmberg
authors.forename: R H
authors.initials: RH
authors.lastname: Byers
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D015982:Bias; D015331:Cohort Studies; D006679:HIV Seropositivity / Q000188:drug therapy; D006801:Humans; D008297:Male; D016016:Proportional Hazards Models; D015215:Zidovudine / Q000627:therapeutic use*
chemical_list: D015215:Zidovudine