title: Letter: Ectopic production of calcitonin.
mesh_terms: D000311:Adrenal Glands / Q000378:metabolism / Q000601:surgery; D001859:Bone Neoplasms / Q000209:etiology; D001984:Bronchial Neoplasms / Q000097:blood / Q000150:complications / Q000378:metabolism; D002116:Calcitonin / Q000096:biosynthesis* / Q000097:blood; D002118:Calcium / Q000097:blood / Q000378:metabolism; D006729:Hormones, Ectopic; D006801:Humans; D006996:Hypocalcemia / Q000209:etiology; D009362:Neoplasm Metastasis
chemical_list: D006729:Hormones, Ectopic; D002116:Calcitonin; D002118:Calcium