Dr. Saurabh Sharma (2025) “EFFECT OF ADDING NALBUPHINE VS FENTANYL ON BLOCK CHARACTERISTICS OF 0.75% HYPERBARIC ROPIVACAINE IN LOWER LIMB SURGERY: A RANDOMIZED CONTROL TRIAL”, Journal of Population Therapeutics and Clinical Pharmacology, 32(2), pp. 1145–1151. doi:10.53555/6tzg1980.