RT Journal Article SR Electronic T1 Impact of a Preoperative Medical Clinic on Operating Room Cancellation Rates in Orthopedic Surgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S23 OP S24 VO 73 IS 9 esuppl 1 A1 Kallas, Peter A1 Desai, Anjali A1 Bauer, Jeanette YR 2006 UL http://www.ccjm.org/content/73/9_esuppl_1/S23.3.abstract AB