title: Antibodies to steroids coupled to protin through ring B and their use in the radioimmunoassay of gonadal hormones.
mesh_terms: D000818:Animals; D000906:Antibodies; D000936:Antigen-Antibody Complex; D002417:Cattle; D006041:Goats; D012739:Gonadal Steroid Hormones / Q000032:analysis*; D006066:Gonads; D006241:Haptens; D007106:Immune Sera; D046911:Macromolecular Substances; D011485:Protein Binding; D011817:Rabbits; D011863:Radioimmunoassay
chemical_list: D000906:Antibodies; D000936:Antigen-Antibody Complex; D012739:Gonadal Steroid Hormones; D006241:Haptens; D007106:Immune Sera; D046911:Macromolecular Substances