K. D. Roberson, J.L. Kalbfleisch and D. Dransfield
International Journal of Poultry Science 3 ( 12 ): 791 - 795 , 2004
K. D. Roberson, J.L. Kalbfleisch, W. Pan and R.A. Charbeneau
International Journal of Poultry Science 4 ( 2 ): 44 - 51 , 2005
K. D. Roberson, M. F. Ledwaba and R. A. Charbeneau
International Journal of Poultry Science 4 ( 2 ): 85 - 90 , 2005