[Virus infections and chronic bronchitis in horses].
D000818:Animals; D001991:Bronchitis / Q000209:etiology / Q000662:veterinary*; D002908:Chronic Disease; D006734:Horse Diseases / Q000209:etiology*; D006736:Horses; D014777:Virus Diseases / Q000662:veterinary*
Virusinfektionen und chronische Bronchitis des Pferdes.