title: Environmental selenium and cancer: risk or protection?
authors.forename: L C
authors.initials: LC
authors.lastname: Clark
authors.forename: E T
authors.initials: ET
authors.lastname: Jacobs
mesh_terms: D004781:Environmental Exposure / Q000009:adverse effects*; D006801:Humans; D007558:Italy; D008545:Melanoma / Q000139:chemically induced* / Q000453:epidemiology; D012107:Research Design / Q000592:standards*; D012307:Risk Factors; D012643:Selenium / Q000009:adverse effects*; D014874:Water Pollutants, Chemical / Q000009:adverse effects*
chemical_list: D014874:Water Pollutants, Chemical; D012643:Selenium