wibowo, adityo. “Subcutaneous Emphysema Following Chest Tube Insertion in a Patient With Secondary Spontaneous Pneumothorax Due to Chronic Obstructive Pulmonary Disease: A Case Report.: Tetra Arya Saputra, Adityo Wibowo”. Jurnal Kedokteran Universitas Lampung 9, no. 1 (June 29, 2025): 28–34. Accessed October 8, 2025. http://juke.kedokteran.unila.ac.id/index.php/JK/article/view/3593.