Wang YS, Wang ZC, Tang YD, Shi ZL, He KW, Li Y, Hou JB, Yao HC, Fan HJ, Lu CP. Comparison of four infectious bursal disease viruses isolated from different bird species. Archives of Virology. 2007 Jul 06;152(10):1787–97. doi: 10.1007/s00705-007-1022-1.