Siangtrong, W., B. Iamrerksiri, P. Yimrattanabowon, N. Chindavech, J. Prajonsan, and U. Kumpila. “Risk Factors Related to Mortality of Metformin Associated Lactic Acidosis in Patients With Type 2 Diabetes Mellitus of Buriram Hospital, Thailand”. Journal of Health Science of Thailand, vol. 28, no. 6, Dec. 2019, pp. 1066-7, https://thaidj.org/index.php/JHS/article/view/8326.