ALNASSAR, Sami. Thoracic Surgery: Opportunities and Challenges in Saudi Arabia. Annals of PIMS-Shaheed Zulfiqar Ali Bhutto Medical University, [S.l.], v. 14, n. 4, p. 252-255, nov. 2018. ISSN 1815-2287. Available at: <https://apims.net/index.php/apims/article/view/191>. Date accessed: 17 july 2019.