title: Waterfowl mortality caused by Cyathocotyle bushiensis Khan, 1962 (Trematoda: Cyathocotylidae), St. Lawrence River, Quebec.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000401:mortality*; D004372:Ducks; D011792:Quebec; D014201:Trematode Infections / Q000401:mortality / Q000662:veterinary*