title: The first isolation of Myxovirus influenzae A2-equi in Yugoslavia.
mesh_terms: D000818:Animals; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D009975:Orthomyxoviridae / Q000302:isolation & purification; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary*; D015022:Yugoslavia