title: Differences between spontaneous and induced abortions as risk factors for breast cancer.
authors.affiliation: Family Health International, Research Triangle Park, NC 27709, USA.
authors.forename: J
authors.initials: J
authors.lastname: Zhang
mesh_terms: D000028:Abortion, Induced / Q000706:statistics & numerical data*; D000022:Abortion, Spontaneous / Q000453:epidemiology*; D015982:Bias; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology; D015984:Causality; D003625:Data Collection; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D012307:Risk Factors