[Biological properties of the epizootic strain of chicken grippe virus].
D000818:Animals; D009976:Orthomyxoviridae Infections / Q000382:microbiology / Q000662:veterinary*; D011201:Poultry Diseases / Q000382:microbiology*
O biologicheskikh svoĭstvakh épizooticheskogo shtamma virusa grippa kur.