J. R. Espinoza, A. Terashima, P. Herrera-Velit, and L. A. Marcos, “Human and animal fasciolasis in Peru: impact in the economy of endemic zones”, Rev Peru Med Exp Salud Publica, vol. 27, no. 4, Dec. 2010, doi: 10.17843/rpmesp.2010.274.1535.