I. Dwikarlina, R. Wijaya, G. . Antariksa, F. Sari, and C. Putra, “Grade V Subcutaneous Emphysema in a Patient with Recurrent Secondary Spontaneous Pneumothorax: a Case Report”, J. Klin. Ris. Kes., vol. 3, no. 1, pp. 64–72, Oct. 2023, doi: 10.11594/jk-risk.03.1.8.