title: The origin of estrogen receptor alpha-positive and alpha-negative breast cancer.
authors.affiliation: Breast Biology Group, Division of Cancer Studies, University of Manchester Christie Hospital (NHS) Trust, Manchester, UK.
authors.forename: Robert B
authors.initials: RB
authors.lastname: Clarke
authors.forename: Andrew H
authors.initials: AH
authors.lastname: Sims
authors.forename: Anthony
authors.initials: A
authors.lastname: Howell
mesh_terms: D001943:Breast Neoplasms / Q000378:metabolism* / Q000473:pathology; D047628:Estrogen Receptor alpha / Q000378:metabolism*; D005260:Female; D006801:Humans; D009376:Neoplasms, Hormone-Dependent / Q000378:metabolism*
chemical_list: D047628:Estrogen Receptor alpha