Characterization by enzyme electrophoresis of specimens of the genus Helicometra (Trematoda, Opecoelidae) from fish caught off the coast of Northwest SpainE. Paniagua, R. Vilas, M.L. Sanmartín, M.T. Santamarina, J.M. Leiro and F.M. UbeiraParasite, 6 1 (1999) 89-91DOI: https://doi.org/10.1051/parasite/1999061089