Y. Wakabayashi, Y. Usui, Y. Okunuki, M. Takeuchi, T. Kezuka, T. Iwasaki and H. Goto
Diabetic Medicine 25 ( 7 ): 875 - 877 , 2008
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International Journal of Poultry Science 8 ( 3 ): 229 - 236 , 2009