title: [Arguments in favor of a double origin for nearctic nematodes of the genus Heligmosomoides Hall, 1916].
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005060:Europe; D005843:Geography; D051379:Mice; D009348:Nematoda / Q000033:anatomy & histology / Q000145:classification; D009656:North America; D010163:Paleontology; D012376:Rodent Diseases; D013045:Species Specificity
vernacular_title: Arguments en faveur de la double origine des nématodes néarctiques du genre Heligmosomoides Hall, 1916.