title: Prophylactic Retrovir study for health care workers.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D006281:Health Occupations; D006801:Humans; D013936:Thymidine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D015215:Zidovudine
chemical_list: D015215:Zidovudine; D013936:Thymidine