Sahin Yuksek, M., Y. Capan, T. Onay, H. Kaynar, S. Selcuk Atamanalp, S. Uslu, and D. Oren. “The Effect of Laparoscopic Cholecystectomy on Pulmonar Function Tests”. Annals of Medical Research, vol. 4, no. 4, May 2021, pp. 0424-6, http://www.annalsmedres.org/index.php/aomr/article/view/2638.