Tania Amjad, Sidra Afzal. Association Between Prolonged Operative Time and Postoperative Adverse Events in Patients Undergoing Spine Surgery in Pakistan. JHRR [Internet]. 2026 Sep. 30 [cited 2026 Oct. 29];6(9):1-7. Available from: https://jhrlmc.com/index.php/home/article/view/2046