[1]
Balwinder Kaur Rekhi, Priyanka Mehta, and Sandeep Kaur Sidhu, “Comparative study of butorphanol and fentanyl in attenuation of haemodynamic responses in laparoscopic cholecystectomy”, J.GMCP.Re.Me.Ed, vol. 2, no. 1, pp. 33–38, Jun. 2019.