title: Prevalence of human immunodeficiency virus antibodies in northern Nigerian blood donors.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D003430:Cross-Sectional Studies; D017977:Deltaretrovirus / Q000276:immunology*; D006801:Humans; D009549:Nigeria
chemical_list: D000914:Antibodies, Viral