Donruethai Sreta และผู้แต่งคนอื่นๆ. (2010) Serological study and genetic characterization of swine influenza virus in four high pig density provinces in Thailand between 2006-2009. Chulalongkorn University:ม.ป.ท.Donruethai Sreta และผู้แต่งคนอื่นๆ. 2010. Serological study and genetic characterization of swine influenza virus in four high pig density provinces in Thailand between 2006-2009. ม.ป.ท.:Chulalongkorn University;Donruethai Sreta และผู้แต่งคนอื่นๆ. Serological study and genetic characterization of swine influenza virus in four high pig density provinces in Thailand between 2006-2009. ม.ป.ท.:Chulalongkorn University, 2010. Print.