Zwingenberger, K., J. A. Nogueira Queiroz, U. Poggensee, J. E. Alencar, J. Valdegunas, F. Esmeralda, and H. Feldmeier. 1987. “ Efficacy of Oxamniquine, Praziquantel and a Combination of Both Drugs in Schistosomiasis Mansoni in Brazil ”. Revista Do Instituto De Medicina Tropical De São Paulo 29 (5): 305-11. https://revistas.usp.br/rimtsp/article/view/28535.