RT Journal Article SR Electronic T1 Pyoderma Gangrenosum in a Patient with Systemic Sclerosis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 197 OP 197 DO 10.3899/jrheum.110479 VO 39 IS 1 A1 JOY FELD A1 REUVEN BERGMAN A1 SARA WELTFRIEND A1 DEVY ZISMAN YR 2012 UL http://www.jrheum.org/content/39/1/197.abstract AB