title: Plasma calcitonin in primary and secondary hyperparathyroidism.
mesh_terms: D002116:Calcitonin / Q000097:blood*; D002118:Calcium / Q000494:pharmacology; D006801:Humans; D006961:Hyperparathyroidism / Q000097:blood*
chemical_list: D002116:Calcitonin; D002118:Calcium