title: Hormonal contraception and breast cancer: keeping perspective.
authors.affiliation: Queen's University, Kingston, Ontario.
authors.forename: Robert L
authors.initials: RL
authors.lastname: Reid
mesh_terms: D001943:Breast Neoplasms / Q000139:chemically induced*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D005260:Female; D006801:Humans; D015201:Meta-Analysis as Topic
chemical_list: D003277:Contraceptives, Oral, Combined