Maryani, Nova, Akhmad Yun Jufan, and Bowo Adiyanto. “Chronic Obstructive Pulmonary Disease (COPD) With Multiple Comorbid (A Case Report)”. Jurnal Komplikasi Anestesi 11, no. 1 (November 1, 2023): 97-125. Accessed July 18, 2024. https://jurnal.ugm.ac.id/v3/jka/article/view/12862.