RT Journal Article SR Electronic T1 Optimizing the preoperative evaluation of patients with aortic stenosis or congestive heart failure prior to noncardiac surgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S111 OP S115 VO 73 IS 3 suppl 1 A1 Jaffer, Amir K. A1 Michota, Franklin A. A1 Rimmerman, Curtis M. YR 2006 UL http://www.ccjm.org/content/73/3_suppl_1/S111.abstract AB