Mavridis, Stylianos, Hans-Georg Gnauk, Martina Schumacher, and Roland H. Wagner. 2013. “Spontaneous Pneumothorax Complicating Lung Emphysema. So, what’s the Catch?”. Medical Journal of Indonesia 22 (1):54-6. https://doi.org/10.13181/mji.v22i1.514.