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2. The influence of the route of administration of Newcastle disease virus on host response;Beard;J. Inf. Dis.,1967
3. Inactivated Newcastle disease vaccines: Influence of virus concentration on the primary immune response;Brugh;Poultry Science.,1978
4. Factors influencing the appearance of antibody in tracheal washes and serum of young chickens after exposure to Newcastle disease virus;Ewert;Infection and Immunity,1977
5. A quantitative study of Newcastle disease virus in tissues of infected chickens;Hofstad;Amer. J. Vet. Res.,1951