RT Journal Article SR Electronic T1 More than skin-deep JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 632 OP 633 DO 10.3949/ccjm.80a.12160 VO 80 IS 10 A1 Jackson Jeikai Liang A1 Stefan Felix Cordes A1 Thomas Elmer Witzig YR 2013 UL http://www.ccjm.org/content/80/10/632.abstract AB