RT Journal Article SR Electronic T1 Gastric Antral Vascular Ectasia Unmasked by Alprostadil for Digital Ulceration in Scleroderma JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 784 OP 785 DO 10.3899/jrheum.101173 VO 38 IS 4 A1 MOHAMMED A. OMAIR A1 SINDHU R. JOHNSON YR 2011 UL http://www.jrheum.org/content/38/4/784.abstract AB