RT Journal Article SR Electronic T1 Hyperpigmented patches on the neck, shoulder, and back JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 290 OP 296 DO 10.3949/ccjm.80a.12033 VO 80 IS 5 A1 Rizzo, Jason M. A1 Loss, Lesley C. A1 Rothman, Ilene L. YR 2013 UL http://www.ccjm.org/content/80/5/290.abstract AB