Piyada Wangroongsarb และผู้แต่งคนอื่นๆ. (2017) Antimicrobial susceptibility and toxin production of Clostridium difficile isolated from diarrheal patients during 2012-2015. <i>Journal of Associated Medical Sciences</i>, <i>50</i>(2), 187-196.Piyada Wangroongsarb และผู้แต่งคนอื่นๆ. "Antimicrobial susceptibility and toxin production of Clostridium difficile isolated from diarrheal patients during 2012-2015". Journal of Associated Medical Sciences 50 (2017):187-196.Piyada Wangroongsarb และผู้แต่งคนอื่นๆ. Antimicrobial susceptibility and toxin production of Clostridium difficile isolated from diarrheal patients during 2012-2015. Faculty of Associated Medical Sciences, Chiang Mai University:ม.ป.ท. 2017.