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Investigation of the Role of Bovine Virus Diarrhea Virus and Mycoplasma Bovis in Chronic Pheumonia in Feedlot Cattle
Gary A. Wobeser
University of Saskatchewan
Saskatchewan. Beef Development Fund
出版
Beef Development Fund
, 2000
URL
http://books.google.com.hk/books?id=b5wZkgEACAAJ&hl=&source=gbs_api
