Vaghela, Archana P, Urja S Patel, and Jakirhusen H Saiyad. “ROLE OF PERFUSION INDEX AS A TOOL FOR ACUTE POST-OPERATIVE PAIN ASSESSMENT IN LAPAROSCOPIC SURGERY”. National Journal of Medical Research 11, no. 04 (December 31, 2017): 131–133. Accessed April 16, 2025. https://njmr.in/index.php/file/article/view/37.