Dynamics of the elimination of Dicrocoelium dendriticum (Trematoda, Digenea) eggs in the faeces of lambs and ewes in the Porma basin (Léon, NW Spain)M. Y. Manga-Gonzalez, C. Gonzalez-Lanza and P. Del-Pozo-CarneroAnn. Parasitol. Hum. Comp., 66 2 (1991) 57-61DOI: https://doi.org/10.1051/parasite/199166257