Ju, Kwang-Hak, Hyon-Jong Kim, Song-Ho Kim, and Yong-Jin Liu. 2019. “Treatment of Spontaneous Pneumothorax by Using the Video Assisted Thoracoscopic Surgery and Mini Invasive Thoracoscopic Surgery”. International Journal of Clinical and Experimental Physiology 5 (4), 208-10. https://doi.org/10.5330/ijcep.2018.5.4.24.