title: Trial halted after drug cuts maternal HIV transmission rate by two thirds.
authors.forename: P
authors.initials: P
authors.lastname: Cotton
mesh_terms: D035061:Control Groups; D005260:Female; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission*; D006801:Humans; D007223:Infant; D009316:National Institutes of Health (U.S.); D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000188:drug therapy*; D037841:Pregnant People; D016032:Randomized Controlled Trials as Topic; D018570:Risk Assessment; D036302:Therapeutic Human Experimentation; D014481:United States; D015215:Zidovudine / Q000627:therapeutic use*
chemical_list: D015215:Zidovudine