title: Pricetrema phocae and Pricetrema eumetopii spp.n. (Trematoda: Heterophyidae) from pinnipeds in the North Pacific.
mesh_terms: D000818:Animals; D010872:Caniformia / Q000469:parasitology*; D014200:Trematoda / Q000033:anatomy & histology / Q000145:classification*