title: Anti HIV-2 serological screening in Portuguese populations native from or having had close contact with Africa.
mesh_terms: D000349:Africa; D000914:Antibodies, Viral / Q000032:analysis*; D004797:Enzyme-Linked Immunosorbent Assay; D006678:HIV / Q000276:immunology; D015483:HIV Antibodies; D006679:HIV Seropositivity; D006801:Humans; D011174:Portugal
chemical_list: D000914:Antibodies, Viral; D015483:HIV Antibodies