title: Heligmosomoides polygyrus (=Nematospiroides dubius) from wild rodents of northern California: natural infections, host specificity, and strain characteristics.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002140:California; D004195:Disease Models, Animal; D004463:Ecology; D005260:Female; D008297:Male; D051379:Mice; D009349:Nematode Infections / Q000453:epidemiology / Q000662:veterinary*; D051381:Rats; D012376:Rodent Diseases / Q000453:epidemiology* / Q000209:etiology; D012377:Rodentia; D013045:Species Specificity; D013151:Spiruroidea / Q000472:pathogenicity*