1. 1) Winterbauer RH: Multiple telangiectasia, Raynaud’s phenomenon, sclerodactyly and subcutaneous calcinosis. Bull. John’s Hopkins Hosp 114: 361-383, 1964.
2. 2) Rodnan GP: When is scleroderma not scleroderma?: The differential diagnosis of progressive systemic sclerosis. Bull Rheum Dis 31: 7-10, 1981.
3. 5) Giordano M: Sclerodactyly, CREST syndrome, provimal scleroderma. Ann Rheum Dis 45: 86, 1986.