Castro, Luiz de Paula, Renato Dani, Roberto Junqueira Alvarenga, Dalton de Alencar Fischer Chamone, and Celso Affonso de Oliveira. 1971. “A Peroral Biopsy Study of the Jejunum in Human Schistosomiasis Mansoni”. Revista Do Instituto De Medicina Tropical De São Paulo 13 (2): 103-9. https://revistas.usp.br/rimtsp/article/view/199161.