title: Circulating immunoreactive parathyroid hormone in man as evaluated by different radioimmunoassay systems.
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D010281:Parathyroid Hormone / Q000097:blood* / Q000276:immunology; D010446:Peptide Fragments; D011863:Radioimmunoassay / Q000379:methods
chemical_list: D010281:Parathyroid Hormone; D010446:Peptide Fragments