Herry Saputra Yunior, Masrul Basyar, 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. sjim [Internet]. 2026Apr.30 [cited 2026Aug.5];4(1):25-3. Available from: https://www.phlox.or.id/index.php/sjim/article/view/271