RT Journal Article SR Electronic T1 Abortion and breast cancer: a case-control record linkage study JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 336 OP 337 DO 10.1136/jech.55.5.336 VO 55 IS 5 A1 M J Goldacre A1 L M Kurina A1 V Seagroatt A1 D Yeates YR 2001 UL http://jech.bmj.com/content/55/5/336.abstract AB