Humoral response (IgG) of goats experimentally infected with Fasciola hepatica against cysteine proteinases of adult fluke Antonio Ruiz, José Manuel Molina, Jorge González, Francisco Javier Martínez-Moreno, Pedro Nolasco Gutiérrez and Álvaro Martíínez-Moreno Vet. Res., 34 4 (2003) 435-443 DOI: 10.1051/vetres:2003016