title: Changing pattern of breast cancer. Is it a reflection of changing etiology?
authors.forename: G M
authors.initials: GM
authors.lastname: Swanson
mesh_terms: D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D011960:Receptors, Estrogen / Q000032:analysis*; D012307:Risk Factors
chemical_list: D011960:Receptors, Estrogen