BANKOWSKI, R A Isolation of an unidentified agent from the respiratory tract of chickens. [electronic resource] - Science (New York, N.Y.) Jul 1960 - 292-3 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.132.3422.292 doi Subjects--Topical Terms: AnimalsChickensPoultryPoultry DiseasesRespiratory SystemRespiratory Tract Infections--veterinaryViruses