RT Journal Article SR Electronic T1 Gottron Sign with Ulceration Is Not a Poor Prognostic Factor in Patients with Dermatomyositis and Interstitial Lung Disease JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1099 OP 1100 DO 10.3899/jrheum.170068 VO 44 IS 7 A1 TAKAO NAGASHIMA A1 MASAHIRO IWAMOTO A1 SEIJI MINOTA YR 2017 UL http://www.jrheum.org/content/44/7/1099.abstract AB