Palabras claves: Fasciola hepática, Fascioliasis epidemiology, LYMNAEA NEOTROPICA, LYMNAEA SCHIRAZENSIS, Lymnaeidae, rDNA combined haplotyping, SOUTH AMERICA, Southern Ecuador, Vectors
Autores: Angel F. Villavicencio, Artigas P., Bargues M.D., Jorge R. Romero, Mas-Coma S., Osca D., Rocío Guamán, S. M. Ulloa