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Thiengo, S. C.; Fernandez, M. A.; Boaventura, M. F.; Grault, C. E.; Silva, H. F.; Mattos, A. C.; Santos, S. B. (2001). Freshwater snails and schistosomiasis mansoni in the State of Rio de Janeiro, Brazil: I - metropolitan mesoregion. Memórias do Instituto Oswaldo Cruz. 96(suppl): 177-184.