title: Assessment of the specificity of norethisterone radioimmunoassays.
mesh_terms: D000328:Adult; D000918:Antibody Specificity; D002845:Chromatography; D006801:Humans; D009640:Norethindrone / Q000097:blood* / Q000276:immunology; D011863:Radioimmunoassay
chemical_list: D009640:Norethindrone