Ferreira, L. F. ., Naveira, J. B. N., & Silva, J. R. da . (1960). Toxemic phase of schistosomiasis mansoni. Concerning a few cases of collective contamination in a swimming pool. Revista Do Instituto De Medicina Tropical De São Paulo, 2(2), 112-120. https://www.revistas.usp.br/rimtsp/article/view/202915