Coelho, Paulo Marcos Z., et al. “ Schistosoma Mansoni: Acquired Immunity in Mice After the Use of Oxamniquine at the Evolutive Skin and Pulmonary Phases ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 33, no. 1, Feb. 1991, pp. 28-31, https://www.revistas.usp.br/rimtsp/article/view/28788.