TY - JOUR A1 - Lawlor, Debbie A. A1 - Emberson, Jonathan R. A1 - Ebrahim, Shah A1 - Whincup, Peter H. A1 - Wannamethee, S. Goya A1 - Walker, Mary A1 - Smith, George Davey T1 - Is the Association Between Parity and Coronary Heart Disease Due to Biological Effects of Pregnancy or Adverse Lifestyle Risk Factors Associated With Child-Rearing?: Findings From the British Women’s Heart and Health Study and the British Regional Heart Study Y1 - 2003 DO - 10.1161/01.cir.0000053441.43495.1a JF - Circulation VL - 107 IS - 9 SP - 1260 EP - -1264 ER -