title: [Virus etiology of an upper respiratory organ disease in chickens].
mesh_terms: D000818:Animals; D002645:Chickens / Q000382:microbiology*; D003332:Coronaviridae / Q000302:isolation & purification*; D003333:Coronaviridae Infections / Q000382:microbiology / Q000662:veterinary*; D012141:Respiratory Tract Infections / Q000382:microbiology / Q000662:veterinary*; D014776:Virus Cultivation
vernacular_title: Zur Virusätiologie einer Erkrankung der oberen Atmungsorgane des Huhnes.