title: Cardiofilaria pavlovskyi Strom, 1937 and Avioserpens sp. (Nematoda) from Canadian ciconiiform birds.
mesh_terms: D000818:Animals; D001715:Bird Diseases; D001717:Birds; D002170:Canada; D005260:Female; D005368:Filariasis / Q000662:veterinary; D005370:Filarioidea / Q000145:classification*; D008297:Male; D009348:Nematoda / Q000145:classification*; D009349:Nematode Infections / Q000662:veterinary