title: Risk factors for breast cancer.
authors.forename: K
authors.initials: K
authors.lastname: McPherson
authors.forename: C M
authors.initials: CM
authors.lastname: Steel
authors.forename: J M
authors.initials: JM
authors.lastname: Dixon
authors.forename: W R
authors.initials: WR
authors.lastname: Miller
mesh_terms: D001943:Breast Neoplasms / Q000209:etiology*; D006801:Humans; D011374:Progesterone / Q000172:deficiency*; D012307:Risk Factors
chemical_list: D011374:Progesterone