Somsmorn Chittrakarn และผู้แต่งคนอื่นๆ. (2018) Gastroprotective effects of methanolic extract of kratom leaveson gastric ulcer and reflux esophagitis in rats. <i>Songklanakarin Journal of Science and Technology</i>, <i>40</i>(2), 258.Somsmorn Chittrakarn และผู้แต่งคนอื่นๆ. "Gastroprotective effects of methanolic extract of kratom leaveson gastric ulcer and reflux esophagitis in rats". Songklanakarin Journal of Science and Technology 40 (2018):258.Somsmorn Chittrakarn และผู้แต่งคนอื่นๆ. Gastroprotective effects of methanolic extract of kratom leaveson gastric ulcer and reflux esophagitis in rats. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2018.