RT Journal Article SR Electronic T1 Preoperative testing (October 2015) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 16 OP 16 DO 10.3949/ccjm.83c.01003 VO 83 IS 1 A1 Cynthia Point YR 2016 UL http://www.ccjm.org/content/83/1/16.abstract AB