1. A comparison of the immune response of chickens vaccinated with formalin and beta-propiolactone-inactivated Newcastle disease vaccines;Appleton;Am. J. Vet. Res.,1963
2. Duration of immunity in layers after the use of live- or killed-virus Newcastle disease vaccines;Dardiri;Am. J. Vet. Res.,1962
3. Studies on hypersensitivity. II. Delayed hypersensitivity to denatured proteins in guinea pigs;Gell;Immunol.,1959
4. Synergistic and antagonistic reactions with beta-propiolactone inactivated Newcastle disease virus vaccine ingredients;Grun;Poultry Sci.,1966
5. Antigenicity of beta-propiolactone inactivated Newcastle disease virus vaccines prepared from various strains;Grun;Poultry Sci.,1966