RT Journal Article SR Electronic T1 A comment on a CME test question (December 2013) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 336 OP 336 DO 10.3949/ccjm.81c.06003 VO 81 IS 6 A1 Keller, David L. YR 2014 UL http://www.ccjm.org/content/81/6/336.abstract AB