title: Comparison of three geographical isolates of Trichinella.
mesh_terms: D000413:Alaska; D000818:Animals; D002335:Carnivora / Q000469:parasitology; D007630:Kenya; D011792:Quebec; D013552:Swine / Q000469:parasitology; D014234:Trichinella / Q000033:anatomy & histology / Q000502:physiology*; D001503:Ursidae / Q000469:parasitology