Chutimaporn Chaiyasong และ Surasak Chaiyasong. (2015) Ertapenam Use Pattern and Utilization Volume and Susceptibility Rate of E. coli ESBL and K. pneumoniae ESBL to Ertapenem in Mahasarakham Hospital. <i>Isan Journal ofPharmaceutical Sciences</i>, <i>11</i>(4), 57-64.Chutimaporn Chaiyasong และ Surasak Chaiyasong. "Ertapenam Use Pattern and Utilization Volume and Susceptibility Rate of E. coli ESBL and K. pneumoniae ESBL to Ertapenem in Mahasarakham Hospital". Isan Journal ofPharmaceutical Sciences 11 (2015):57-64.Chutimaporn Chaiyasong และ Surasak Chaiyasong. Ertapenam Use Pattern and Utilization Volume and Susceptibility Rate of E. coli ESBL and K. pneumoniae ESBL to Ertapenem in Mahasarakham Hospital. Faculty of Pharmaceutical Sciences KKU, MSU, UBU:ม.ป.ท. 2015.