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By: Van Es, L. (Leunis), - Martin, H. M. (Harry Mathias),Edition:Publication info: Lincoln, Neb, University of Nebraska, 1920Volume: no.18 (1920)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Bacterial vaccines Chicken cholera Chickens Diseases Preventive inoculationBHL Collections: