Kriangkrai Witoonsatian และ Theera Rukkwamsuk. (2007) Cloning and expression of H5 gene of avian influenza virus and its biological activity. Kasetsart University:ม.ป.ท.Kriangkrai Witoonsatian และ Theera Rukkwamsuk. 2007. Cloning and expression of H5 gene of avian influenza virus and its biological activity. ม.ป.ท.:Kasetsart University;Kriangkrai Witoonsatian และ Theera Rukkwamsuk. Cloning and expression of H5 gene of avian influenza virus and its biological activity. ม.ป.ท.:Kasetsart University, 2007. Print.