RT Journal Article SR Electronic T1 Evolution of the Nurse Practitioner (NP) Rolein the Center for Preoperative Evaluation (CPE) at Brigham and Women’s Hospital JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S27 OP S27 VO 73 IS 9 esuppl 1 A1 Leary, Ellen A1 McGrath, Kathleen A1 Lanchester, Jeanne YR 2006 UL http://www.ccjm.org/content/73/9_esuppl_1/S27.2.abstract AB