Comorbidities of Chronic Obstructive Pulmonary Disease Patients at Respirology and Critical Care Outpatient Clinic Dr. Hasan Sadikin General Hospital, Bandung, Indonesia. Althea Med J. 2017;4(1):30-35. Accessed July 14, 2026. https://journal.fk.unpad.ac.id/index.php/amj/article/view/1016