RT Journal Article SR Electronic T1 Thick skin on the back JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 90 OP 91 DO 10.3949/ccjm.77a.09004 VO 77 IS 2 A1 Ashrith, Guha A1 Arora, Rajpreet YR 2010 UL http://www.ccjm.org/content/77/2/90.abstract AB