SCHAEFLER, S HETEROLOGOUS IMMUNITY AGAINST S. TYPHI BY VACCINES OF LIVING E. FREUNDII VI STRAINS ASSOCIATED WITH SALMONELLAE OF THE "D" GROUP. [electronic resource] - Zeitschrift fur Immunitats- und Allergieforschung Jun 1964 - 431-7 p. digital Publication Type: Journal Article ISSN: 0372-9001 Subjects--Topical Terms: AnimalsEscherichiaImmunity, HeterologousMicePoultryPoultry DiseasesResearchSalmonellaSalmonella InfectionsSalmonella Infections, AnimalSalmonella typhiTyphoid-Paratyphoid VaccinesVaccines