title: Selenium and human cancer.
mesh_terms: D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000209:etiology*; D012306:Risk; D012643:Selenium / Q000097:blood* / Q000172:deficiency; D012907:Smoking
chemical_list: D012643:Selenium