title: [Effectiveness of measures against viral hepatitis of ducks].
mesh_terms: D000818:Animals; D004372:Ducks; D004769:Enterovirus Infections / Q000517:prevention & control / Q000662:veterinary*; D004371:Hepatitis Virus, Duck; D011201:Poultry Diseases / Q000517:prevention & control*
vernacular_title: Effektivnost' meropriiatiĭ pri virusnom gepatite utiat