Citation 1563
Ito T, Goto H, Yamamoto E, et al. Generation of a highly pathogenic avian influenza A virus from an avirulent field isolate by passaging in chickens. Journal of Virology 75(9):4439-43.
http://birdfluexposed.com/resources/ito4429.pdf.
http://birdfluexposed.com/resources/ito4429.pdf.


