title: Infectivity in rodents and cold resistance of Trichinella spiralis isolated from pig and polar bear, and T. pseudospiralis.
mesh_terms: D000818:Animals; D002335:Carnivora / Q000469:parasitology*; D003080:Cold Temperature; D008297:Male; D051379:Mice; D008807:Mice, Inbred BALB C; D051381:Rats; D011919:Rats, Inbred Strains; D013552:Swine / Q000469:parasitology*; D014234:Trichinella / Q000472:pathogenicity*; D014235:Trichinellosis / Q000469:parasitology / Q000662:veterinary*; D001503:Ursidae / Q000469:parasitology*