title: [Certain problems of epizootiology and diagnosis of avian influenza].
mesh_terms: D000818:Animals; D002645:Chickens; D009975:Orthomyxoviridae / Q000302:isolation & purification; D009976:Orthomyxoviridae Infections / Q000175:diagnosis / Q000382:microbiology / Q000662:veterinary*; D011201:Poultry Diseases / Q000175:diagnosis* / Q000382:microbiology
vernacular_title: Nekotorye voprosy epizootologii i diagnostiki grippa ptits