1. Systemic sclerosis;Clements,1996
2. Scleroderma of the foot: orthopaedic treatment;Bernstein;Foot Ankle,1983
3. A case of systemic sclerosis in childhood complicated by severe digital ulcers;Falcini;Pediatr Med Chir,1984
4. Preliminary criteria for classification of systemic sclerosis (scleroderma);Subcommittee for Scleroderma Criteria of the American Rheumatism Association Diagnostic and Therapeutic Criteria Committee;Arthritis Rheum,1989
5. Scleroderma (systemic sclerosis): classification, subsets and pathogenesis;Le Roy;J Rheumatol,1988