title: A new heligmosomid nematode, Heligmosomoides protobullosus n. sp. (Heligmosomidae: Nematoda), from the Japanese grass vole, Microtus montebelli Milne-Edwards.
authors.forename: M
authors.initials: M
authors.lastname: Asakawa
authors.forename: M
authors.initials: M
authors.lastname: Ohbayashi
mesh_terms: D000818:Animals; D003411:Arvicolinae / Q000469:parasitology*; D006369:Heligmosomatoidea / Q000033:anatomy & histology* / Q000145:classification; D007564:Japan