Kumkum Gupta, Bhawana Rastogi, Prashant K Gupta, Manoranjan K Bansal, Pavitra Kalra, & Sukhreet Kaur. (2019). Perfusion Index to Assess Hemodynamic Changes and Analgesia with Premedication of Fentanyl versus Nalbuphineduring General Anesthesia. Academia Anesthesiologica International, 4(2), 255-259. https://doi.org/10.21276/aan.2019.4.2.57