RT Journal Article SR Electronic T1 Widespread skin-thickening and hyperpigmentation JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 485 OP 487 DO 10.3949/ccjm.89a.21099 VO 89 IS 9 A1 India K. Poetzscher A1 Nikolai Klebanov A1 Shinjita Das YR 2022 UL http://www.ccjm.org/content/89/9/485.abstract AB