1. Classification of systemic sclerosis (Scleroderma);Masi,1985
2. The American College of Rheumatology 1990 criteria for the classification of vasculitis. Introduction;Hunder;Arthritis Rheum,1990
3. Scleroderma and pseudoscleroderma,1975
4. The “connective tissue diseases”;Rowell,1992
5. Systemic sclerosis (scleroderma);LeRoy,1992