title: Gongylonema pulchrum Molin (Nematoda: Gongylonematidae) in black bears (Ursus americanus Pallas) from Pennsylvania.
mesh_terms: D000818:Animals; D002335:Carnivora / Q000469:parasitology*; D009349:Nematode Infections / Q000453:epidemiology / Q000662:veterinary*; D010414:Pennsylvania; D013151:Spiruroidea; D014059:Tongue / Q000469:parasitology; D001503:Ursidae / Q000469:parasitology*