Early announcements.
D002986:Clinical Trials as Topic; D003142:Communication; D004059:Diffusion of Innovation; D016527:Drug Costs; D004345:Drug Industry; D004989:Ethics; D015658:HIV Infections / Q000188:drug therapy; D006801:Humans; D011643:Publishing; D015215:Zidovudine / Q000627:therapeutic use
D015215:Zidovudine