Herry Saputra Yunior, Masrul Basyar, and Deddy Herman. “Platelet-to-Lymphocyte Ratio As a Predictor of Exacerbation Severity and Hospital Length of Stay in Acute Exacerbation of COPD: A Dual-Center Study in West Sumatra, Indonesia”. Sriwijaya Journal of Internal Medicine 4, no. 1 (June 17, 2026): 39-52. Accessed June 20, 2026. https://www.phlox.or.id/index.php/sjim/article/view/271.