title: The pattern of circulation of Diphyllobothrium sebago (Cestoda: Pseudophyllidea) in an enzootic area.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology*; D001717:Birds; D004169:Diphyllobothriasis / Q000453:epidemiology / Q000662:veterinary*; D004170:Diphyllobothrium / Q000254:growth & development; D004463:Ecology; D005393:Fish Diseases / Q000453:epidemiology*; D005399:Fishes; D008281:Maine; D012621:Seasons