Ahmed, A. A. M., Ibrahim, N. A., & Idris, M. A. (2006). Laboratory Studies on the Prevalence and Cercarial Rhythms of Trematodes from Bulinus truncatus and Biomphalaria Pfeifferi Snails from Khartoum State,Sudan. Sultan Qaboos University Medical Journal, 6(2), 65–69. Retrieved from https://journals.squ.edu.om/index.php/squmj/article/view/1266