title: Estrogen fractions and breast cancer risk in Canadian Inuit and whites.
mesh_terms: D000293:Adolescent; D000328:Adult; D001943:Breast Neoplasms / Q000453:epidemiology*; D002170:Canada; D004967:Estrogens / Q000652:urine*; D005260:Female; D006801:Humans; D004930:Inuit; D008875:Middle Aged
chemical_list: D004967:Estrogens