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 Jason M. Rizzo A1 Lesley C. Loss A1 Ilene L. Rothman YR 2013 UL http://www.ccjm.org/content/80/5/290.abstract AB