RT Journal Article SR Electronic T1 Validity of the scleroderma functional assessment questionnaire. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 402 OP 403 VO 31 IS 2 A1 Janet L Poole A1 Lisa Brower YR 2004 UL http://www.jrheum.org/content/31/2/402.2.abstract AB