J. R. Machado-Silva, C. Galvão, R. M. F. de Oliveira, O. A. F. Presgrave, and D. C. Gomes, “ Schistosoma mansoni Sambon, 1907: comparative morphologica studies of some Brazilian strains ”, Rev. Inst. Med. Trop. São Paulo, vol. 37, no. 5, pp. 441–447, Oct. 1995, Accessed: May 31, 2024. [Online]. Available: https://www.revistas.usp.br/rimtsp/article/view/29305