The intestinal Pronocephalidae (Vermes, Trematoda) of the marine Iguana from the Galapagos Islands ; a possible case of pure mutualism (, )P. H. Vercammen-Grandjean and J. LowensteinAnn. Parasitol. Hum. Comp., 42 4 (1967) 435-441DOI: https://doi.org/10.1051/parasite/1967424435
