A E McChesney, P M Braddy, A Benitez, D A Saari, L H Lauerman, J J England, R E Pierson, R Jensen, D P Horton,
Atypical interstitial pneumonia in yearling feedlot cattle. Javma-journal of The American Veterinary Medical Association. ,vol. 169, pp. 507- 510 ,(1976)