Khin Khin Lay และ Rungtip Chuanchuen. (2011) Characteristics of multidrug-resistant Escherichia coli isolated from fattening pigs. Chulalongkorn University:ม.ป.ท.Khin Khin Lay และ Rungtip Chuanchuen. 2011. Characteristics of multidrug-resistant Escherichia coli isolated from fattening pigs. ม.ป.ท.:Chulalongkorn University;Khin Khin Lay และ Rungtip Chuanchuen. Characteristics of multidrug-resistant Escherichia coli isolated from fattening pigs. ม.ป.ท.:Chulalongkorn University, 2011. Print.