title: A method to distinguish between arsenic in and on human hair.
mesh_terms: D001151:Arsenic / Q000032:analysis*; D002170:Canada; D004781:Environmental Exposure; D004785:Environmental Pollutants; D006197:Hair / Q000032:analysis*; D006801:Humans
chemical_list: D004785:Environmental Pollutants; D001151:Arsenic