Holanda, J. C., J. Pellegrino, G. Gazzinelli, and F. J. Ramalho-Pinto. 1976. “Infectivity for Mice Intermediate Forms of Cercariae, Schistosomules and of Schistosoma Mansoni, Obtained in Vitro”. Revista Do Instituto De Medicina Tropical De São Paulo 18 (6): 410-14. https://www.revistas.usp.br/rimtsp/article/view/198180.