title: Progestogens and breast cancer risk: the role of hormonal contraceptives and hormone replacement therapy.
authors.affiliation: Department of Academic Oncology, Hedley Atkins Unit, Guy's and St Thomas's Hospital NHS Trust, St Thomas Street, London SE1 9RT, UK. jo-marsden@yahoo.com
authors.forename: Jo
authors.initials: J
authors.lastname: Marsden
authors.forename: Roger
authors.initials: R
authors.lastname: A'Hern
mesh_terms: D000367:Age Factors; D001943:Breast Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects; D015914:Estrogen Replacement Therapy / Q000009:adverse effects*; D005260:Female; D006801:Humans; D045167:Progesterone Congeners / Q000009:adverse effects*; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D012307:Risk Factors; D013997:Time Factors; D016387:Women's Health
chemical_list: D003276:Contraceptives, Oral; D045167:Progesterone Congeners