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Son JS, Doo A, Kwon YJ, Han YJ, Ko S. A comparison between ketorolac and nefopam as adjuvant analgesics for postoperative patient-controlled analgesia: a randomized, double-blind, prospective study. Korean J Anesthesiol. 2017 Dec;70(6):612–8. PMID: 29225744; PMCID: PMC5716819. |