Ju, Kwang-Hak, Hyon-Jong Kim, Song-Ho Kim, and Yong-Jin Liu. “Treatment of Spontaneous Pneumothorax by Using the Video Assisted Thoracoscopic Surgery and Mini Invasive Thoracoscopic Surgery”. International Journal of Clinical and Experimental Physiology 5, no. 4 (March 6, 2019): 208-210. Accessed June 18, 2019. http://ijcep.org/index.php/ijcep/article/view/344.