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PROCESS FOR THE ISOLATION OF IMMUNOGENIC SUBSTANCES FROM PASTEURELLA HAEMOLYTICA OR PASTEURELLA MULTOCIDA STRAINS AND FOR THE PREPARATION OF VACCINES CONTAINING THEM EURELLA HAEMOLYTICA ILI PASTEURELLA MULTOCIDA I POLUCHENIJA VAKCINY SODERZHAHHEJ TAKIE VEHHESTVA
PROCESS FOR THE ISOLATION OF IMMUNOGENIC SUBSTANCES FROM PASTEURELLA HAEMOLYTICA OR PASTEURELLA MULTOCIDA STRAINS AND FOR THE PREPARATION OF VACCINES CONTAINING THEM EURELLA HAEMOLYTICA ILI PASTEURELLA MULTOCIDA I POLUCHENIJA VAKCINY SODERZHAHHEJ TAKIE VEHHESTVA