Wimutchapun Chaichana และ Nate Hongkrailert. (2013) Effectiveness of the uri program on prescrived antiviotics in upper respiratory infection among health personnel under padad contracting unit for primary care, Padad District, Chaingrai. Mahidol University:ม.ป.ท.Wimutchapun Chaichana และ Nate Hongkrailert. 2013. Effectiveness of the uri program on prescrived antiviotics in upper respiratory infection among health personnel under padad contracting unit for primary care, Padad District, Chaingrai. ม.ป.ท.:Mahidol University;Wimutchapun Chaichana และ Nate Hongkrailert. Effectiveness of the uri program on prescrived antiviotics in upper respiratory infection among health personnel under padad contracting unit for primary care, Padad District, Chaingrai. ม.ป.ท.:Mahidol University, 2013. Print.