title: Induced abortion, bias, and breast cancer: why epidemiology hasn't reached its limit.
authors.forename: D L
authors.initials: DL
authors.lastname: Weed
authors.forename: B S
authors.initials: BS
authors.lastname: Kramer
mesh_terms: D000028:Abortion, Induced / Q000009:adverse effects*; D015982:Bias; D001943:Breast Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D016017:Odds Ratio; D011247:Pregnancy; D012306:Risk; D012307:Risk Factors