title: Selenium and cancer: risk or protection?
authors.forename: L C
authors.initials: LC
authors.lastname: Clark
authors.forename: D S
authors.initials: DS
authors.lastname: Alberts
mesh_terms: D006801:Humans; D009262:Nails / Q000737:chemistry; D009369:Neoplasms / Q000517:prevention & control*; D012643:Selenium / Q000032:analysis / Q000502:physiology*; D014034:Toes
chemical_list: D012643:Selenium