Andrade, Roberto Milward de, and Osmar S. Carvalho. 1973. “ Anomalies in Biomphalaria Straminea a Whorl (Dunker, 1848) Kept in Laboratory (Pulmonata, Planorbidae) ”. Revista De Saúde Pública 7 (3): 283-84. https://doi.org/10.1590/S0034-89101973000300008.