1. Khalil, H. M. (1978). Schistosomiasis in Egypt. J. Egypt. Public Health Assoc., 53, 67–86
2. Abdel-Wahab, M. F., El Sahly, A., Zakaria, S., Strickland, G. T., El-Kady, N. and Ahmed, L. (1979). Changing patterns of schistosomiasis in Egypt 1935–79. Lancet, 1, 242–244
3. Girges, M. R. (1966). Schistosomal arthritis. Rheumatism, 22 (4), 108
4. Bassiouni, M. and Kamel, M. (1984) Bilharzial arthropathy. Ann. Rheum. Dis., 43, 806–809
5. Atkin, S. L., Kamel, M., El-Hady, A. M. A., El-Badawy, S. A., El-Ghobary, A. and Dick, W. C. (1986). Schistosomiasis and inflammatory polyarthritis: A clinical, radiological and laboratory study of 96 patients infected by S.mansoni with particular reference to the diarthrodial joint. Q. J. Med., 59, 479–487