1. Immunogenicity and antigenicity of very virulent strains of Infectious Bursal Disease Viruses;Abdel-Alim GA;Avian Diseases,2001
2. Studies on the pathogenesis of Gumboro disease in the bursa of Fabricius, spleen, and thymus of the chicken;Cheville NF;American Journal of Pathology,1977
3. La Enfermedad de la bolsa de Fabricio (EIBF) por cepas de alta virulencia se propagan en Latinoamerica;Di Fabio J;Avicultura Professional,1999
4. European-like bursal disease viruses in Brazil;Di Fabio J;Veterinary Record,1999
5. Historical perspective: The bursa of Fabricius and its influence on B-cell development, past and present;Glick B;Veterinary Immunology and Immunopathology,1991