C. Appleton and I. Naidoo, “Why did schistosomiasis disappear from the southern part of the Eastern Cape?”, S. Afr. J. Sci., vol. 108, no. 1/2, p. 11 pages, Jan. 2012, Accessed: Nov. 24, 2024. [Online]. Available: https://sajs.co.za/article/view/9930