title: "Super-negative" and potential false-negative results in anti-human immunodeficiency virus antibody testing with the Wellcozyme ELISA test kit.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D004797:Enzyme-Linked Immunosorbent Assay / Q000295:instrumentation*; D005188:False Negative Reactions; D006678:HIV / Q000276:immunology*; D006801:Humans; D011933:Reagent Kits, Diagnostic
chemical_list: D000914:Antibodies, Viral; D011933:Reagent Kits, Diagnostic