title: Cofactor question divides codiscoverers of HIV.
authors.forename: P
authors.initials: P
authors.lastname: Cotton
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000382:microbiology*; D006678:HIV; D015654:Herpesvirus 6, Human; D015368:Human T-lymphotropic virus 1; D006801:Humans; D009174:Mycoplasma