title: Women in their 40s should not be screened for breast cancer, new Canadian guideline says.
authors: Adrian
authors: A
authors: O'Dowd
mesh_terms: D000328:Adult; D000367:Age Factors; D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D002170:Canada; D005260:Female; D006801:Humans; D008327:Mammography / Q000706:statistics & numerical data*; D017410:Practice Guidelines as Topic