Jabeen, R. ., Z. I. . Malik, A. . Yar, A. . Moazzam, and M. . Khalid. “Prevalence and Morphometric Study of Bronchial Anatomical Variations in Cadaveric and Bronchoscopic Samples”. Pakistan Journal of Chest Medicine, vol. 30, no. 1, Mar. 2024, pp. 77-83, http://www.pjcm.net/index.php/pjcm/article/view/952.