RT Journal Article SR Electronic T1 Preoperative pulmonary evaluation JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S36 OP S41 VO 73 IS 3 suppl 1 A1 Jaffer, Amir K. A1 Michota, Franklin A. A1 Smetana, Gerald W. YR 2006 UL http://www.ccjm.org/content/73/3_suppl_1/S36.abstract AB