title: HTLV-III seropositivity in 1971-1972 parenteral drug abusers--a case of false positives or evidence of viral exposure?
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D017977:Deltaretrovirus / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay; D005189:False Positive Reactions; D015483:HIV Antibodies; D006801:Humans; D019966:Substance-Related Disorders / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D015483:HIV Antibodies