Coelho, Paulo Marcos Z., Sílvia E. Gerken, and Carlos Alberto P. Tavares. 1987. “ Schistosoma Mansoni: Implantation of Worms into the Peritoneal Cavity Aiming at the Induduction of Immunoprotection ”. Revista Do Instituto De Medicina Tropical De São Paulo 29 (6): 361-66. https://www.revistas.usp.br/rimtsp/article/view/28544.