Raza, M. ., M. T. . Abdullah, S. Z. Shah, M. . Hussain, I. . Bangash, M. . Khan, and S. . Abbasi. “Pre-Operative Value of X-Ray Chest in Patients Undergoing Elective General Surgeries”. BMC Journal of Medical Sciences, vol. 5, no. 1, July 2024, pp. 34-37, https://bmcjms.org/index.php/bmcj/article/view/264.