S. Karakurt, K. Bostanci, M. Yuksel, E. Eryuksel, S. Evman, and T. Celikel, “Spontaneous pneumothorax and ozone levels: is there a relation?”, Multidiscip Respir Med, vol. 6, no. 1, Feb. 2011, doi: 10.4081/mrm.2011.426.