title: Do women with palpable masses need bilateral mammography if they have already had a mammogram in the last 12 months or are under 40?
authors.forename: T O
authors.initials: TO
authors.lastname: Markel
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008327:Mammography / Q000706:statistics & numerical data*; D010173:Palpation