Homchampa, P., & Tuyet Duy, L. L. (2020). Health problems and health care outcomes of older patients admitted to intensive care units in the lowand middle-income countries: A systematic review and meta-analysis. Burapha Journal of Medicine, 7(2), 39–64. retrieved from https://he01.tci-thaijo.org/index.php/BJmed/article/view/246899