D.E. salmon and the first bacterin.
D000818:Animals; D022121:Cholera Vaccines / Q000266:history; D006691:Classical Swine Fever / Q000276:immunology; D049671:History, 18th Century; D011200:Poultry / Q000276:immunology; D012107:Research Design; D013552:Swine; D014481:United States; D014730:Veterinary Medicine / Q000266:history*
D022121:Cholera Vaccines