Erko, Berhanu, Teferi Gemetchu, Girmay Medhin, and Hailu Birrie. “Reinfection of School Children With Schistosoma Mansoni in the Finchaa Valley, Western Ethiopia”. The Ethiopian Journal of Health Development 11, no. 3 (March 30, 2017). Accessed February 26, 2024. https://ejhd.org/index.php/ejhd/article/view/1003.