O. O. Yildiz, K. İnan, İlknur Aytekin Çelik, and E. Çınar, “A retrospective review of patients over 70 years of age undergoing pneumonectomy for non-small cell lung cancer: 10 years of experience, a cross-sectional study”, J Surg Med, vol. 4, no. 5, pp. 351–354, May 2020.