RT Journal Article SR Electronic T1 When is scleroderma really scleroderma? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1471 OP 1473 VO 28 IS 7 A1 F M Wigley YR 2001 UL http://www.jrheum.org/content/28/7/1471.abstract AB