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The summary below is from the full report titled “Effect of a Preoperative Intervention on Preoperative and Postoperative Outcomes in Low-Risk Patients Awaiting Elective Coronary Artery Bypass Graft Surgery. A Randomized, Controlled Trial.” It is in the 15 August 2000 issue of Annals of Internal Medicine (volume 133, pages 253-262). The authors are H.M. Arthur, C. Daniels, R. McKelvie, J. Hirsh, and B. Rush.