Coura-Filho, P., Rocha, R. S., Farah, M. W., Silva, G. C. da, & Katz, N. (1994). Identification of factors and groups at risk of infection with Schistosoma mansoni: a strategy for the implementation of control measures? . Revista Do Instituto De Medicina Tropical De São Paulo, 36(3), 245-253. https://www.revistas.usp.br/rimtsp/article/view/29161