RT Journal Article SR Electronic T1 Do healthy patients need routine laboratory testing before elective noncardiac surgery? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 664 OP 666 DO 10.3949/ccjm.82a.14152 VO 82 IS 10 A1 Houchens, Nathan YR 2015 UL http://www.ccjm.org/content/82/10/664.abstract AB