F. Yan, C. A. Fritts, P. W. Waldroup, H. L. Stilborn, D. Rice, R. C. Crum, Jr. and V. Raboy
International Journal of Poultry Science 2 ( 2 ): 83 - 90 , 2003
K.Y. Zhang, F. Yan, C.A. Keen and P.W. Waldroup
International Journal of Poultry Science 4 ( 9 ): 612 - 619 , 2005