The full report is titled “Effect of Estrogen plus Progestin on Risk for Biliary Tract Surgery in Postmenopausal Women with Coronary Artery Disease. The Heart and Estrogen/progestin Replacement Study.” It is in the 2 October 2001 issue of Annals of Internal Medicine (volume 135, pages 493-501). The authors are JA Simon, DB Hunninghake, SK Agarwal, F Lin, JA Cauley, CC Ireland, and JH Pickar, for the Heart and Estrogen/progestin Replacement Study (HERS) Research Group.
