RT Journal Article SR Electronic T1 Abdominal Radiograph in Systemic Sclerosis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 654 OP 654 DO 10.3899/jrheum.080985 VO 36 IS 3 A1 UEI PUA YR 2009 UL http://www.jrheum.org/content/36/3/654.abstract AB