Lymnaeid Snail Vectors of Fascioliasis, Including the First Finding of Lymnaea neotropica in Ecuador, Assessed by Ribosomal DNA Sequencing in the Southern Zone Close to the Peru Border

1. Villavicencio, A.F.
2. Bargues, M.D.
3. Artigas, P.
4. Guamán, R.
5. Ulloa, S.M.
6. Romero, J.
7. Osca, D.
8. Mas-Coma, S.