ARTHRITIS CARE & RESEARCH, cilt.64, sa.3, ss.351-357, 2012 (SCI-Expanded, Scopus)
Objective Classification criteria for systemic sclerosis (SSc; scleroderma) are being updated. Our objective was to select a set of items potentially useful for the classification of SSc using consensus procedures, including the Delphi and nominal group techniques (NGT).