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Infection and Immunity|February 1, 1977
Oncogenicity of avian leukosis viruses of different subgroups and of mutants of sarcoma virusesH G Purchase, W Okazaki, P K Vogt, et al.
Acta Veterinaria Hungarica|January 1, 1997
The structure and function of the avian immune systemJ M Sharma
Veterinary Immunology and Immunopathology|November 1, 1991
Overview of the avian immune systemJ M Sharma
Advances in Experimental Medicine and Biology|January 1, 1977
Role of tumor antigen in vaccine protection in Marek's diseaseJ M Sharma
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