title: Breast cancer risk: is postmenopausal hormone therapy ever safe?
authors.forename: Patricia A
authors.initials: PA
authors.lastname: Ganz
mesh_terms: D001943:Breast Neoplasms / Q000139:chemically induced / Q000453:epidemiology / Q000517:prevention & control; D015914:Estrogen Replacement Therapy / Q000009:adverse effects; D005260:Female; D006801:Humans; D015994:Incidence; D015201:Meta-Analysis as Topic; D010052:Ovariectomy / Q000706:statistics & numerical data; D017698:Postmenopause; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D013997:Time Factors