Junaidi, Katerine, Oea Khairsyaf, Sabrina Ermayanti, Faisal Yunus, and Deddy Herman. “Prevalence of Chronic Obstructive Pulmonary Disease in Lung Cancer Patients in Dr. M Djamil General Hospital”. South Eastern European Journal of Public Health (March 19, 2025): 3918–3933. Accessed May 1, 2026. https://www.seejph.com/index.php/seejph/article/view/3023.