Goyal, R KSharma, RMathur, G MAndleigh, H S1969-05-012009-05-291969-05-012009-05-291969-05-01Goyal RK, Sharma R, Mathur GM, Andleigh HS. Pathogenicity of different strains of vaccinia virus. Indian Journal of Medical Sciences. 1969 May; 23(5): 247-51http://imsear.searo.who.int/handle/123456789/66165engAnimalsRabbitsRatsVaccinia virus --pathogenicityPathogenicity of different strains of vaccinia virus.Journal Article