1. Brown DW, Kawaoka Y, Webster RG, Robinson HL (1992) Assessment of retrovirus-expressed nucleoprotein as a vaccine against lethal influenza virus infections of chickens. Avian Dis 36:515–520
2. Webster RG, Kawaoka Y, Taylor J, Weinberg R, Paoletti E (1991) Efficacy of nucleoprotein and haemagglutinin antigens expressed in fowlpox virus as vaccine for influenza in chickens. Vaccine 9:303–308
3. Swayne DE, Kapczynski DR (2008) Vaccines, vaccination and immunology for avian influenza viruses in poultry. In: Swayne DE (ed) Avian Influenza. Blackwell Publishing, Ames, Iowa, pp 407–451
4. Swayne DE, Miller P (2009) Report of the subcommittee on avian influenza and Newcastle disease. Proc Annu Meet U S Anim Health Assoc 113:573–574
5. Swayne DE (2001) Avian influenza vaccine use during 2001. Proc Annu Meet U S Anim Health Assoc 104:469–471