title: Localization of metastatic medullary thyroid carcinoma by immunoreactive calcitonin assay.
mesh_terms: D002116:Calcitonin / Q000097:blood*; D002277:Carcinoma / Q000097:blood / Q000175:diagnosis*; D002404:Catheterization; D006801:Humans; D009362:Neoplasm Metastasis; D011863:Radioimmunoassay; D013964:Thyroid Neoplasms / Q000097:blood / Q000175:diagnosis*
chemical_list: D002116:Calcitonin