title: Measuring the PTH level.
mesh_terms: D006801:Humans; D010281:Parathyroid Hormone / Q000097:blood*; D010446:Peptide Fragments / Q000097:blood; D011863:Radioimmunoassay / Q000379:methods
chemical_list: D010281:Parathyroid Hormone; D010446:Peptide Fragments