title: Plasma calcitonin in small cell lung cancer: prognostic significance.
mesh_terms: D000328:Adult; D000368:Aged; D002116:Calcitonin / Q000097:blood*; D018288:Carcinoma, Small Cell / Q000097:blood* / Q000401:mortality; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood* / Q000401:mortality; D008875:Middle Aged; D011379:Prognosis; D013997:Time Factors
chemical_list: D002116:Calcitonin