Bezerra, Fernando Schemelzer de Moraes, et al. “ Schistosoma Mansoni: Protective Immunity in Mice Cured by Chemotherapy at the Chronic Phase of the Disease ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 35, no. 4, Aug. 1993, pp. 337-44, https://revistas.usp.br/rimtsp/article/view/29055.