PT - JOURNAL ARTICLE AU - ALFONSE T. MASI AU - THOMAS A. MEDSGER Jr. TI - Progress in the Evolution of Systemic Sclerosis Classification Criteria and Recommendation for Additional Comparative Specificity Studies AID - 10.3899/jrheum.141020 DP - 2015 Jan 01 TA - The Journal of Rheumatology PG - 8--10 VI - 42 IP - 1 4099 - http://www.jrheum.org/content/42/1/8.short 4100 - http://www.jrheum.org/content/42/1/8.full SO - J Rheumatol2015 Jan 01; 42