title: Sex hormones and breast cancer: the issue of hormone replacement.
authors.affiliation: Medical Oncology/Haematology, Toronto-Sunnybrook Regional Cancer Centre, University of Toronto, Ontario, Canada.
authors.forename: K I
authors.initials: KI
authors.lastname: Pritchard
authors.forename: J A
authors.initials: JA
authors.lastname: Roy
authors.forename: C A
authors.initials: CA
authors.lastname: Sawka
mesh_terms: D001943:Breast Neoplasms; D015914:Estrogen Replacement Therapy / Q000009:adverse effects; D005260:Female; D006801:Humans; D008593:Menopause