Direct Costs of Acute Exacerbation of Chronic Obstructive Pulmonary Disorder in Hospital Inpatient Setting: A Cross Sectional Study. Sarawak Journal of Pharmacy, [S. l.], v. 9, n. 2, p. 1–4, 2023. Disponível em: https://sjpharm.org/ojs/index.php/sjp/article/view/32. Acesso em: 3 feb. 2026.