Ong, Angeli Nicole, Ceryl Cindy Tan, Maria Teresa Cañete, Bryan Albert Lim, and Jeremyjones Robles. “Association Between Metformin Use and Mortality Among Patients With Type 2 Diabetes Mellitus Hospitalized for COVID-19 Infection”. Journal of the ASEAN Federation of Endocrine Societies 36, no. 2 (July 1, 2022): 133–141. Accessed November 21, 2024. https://asean-endocrinejournal.org/index.php/JAFES/article/view/1155.