1. Handbook of dermatology and dermatology venerology;Su,2003
2. Exaggerated fibrosis in patients with systemic sclerosis (scleroderma) following radiation therapy;Abu-Shakra;J Rheumatol,1993
3. Malignancy in progressive systemic sclerosis: association with breast cancer;Lee;J Rheumatol,1983
4. Cancer and systemic sclerosis: an epidemiologic study;Roumm;Arthritis Rheum,1985
5. Is there an association of malignancy with systemic lupus erythematosus? an analysis of 276 patients under long term review;Sultan;Rheumatology (Oxford),2000