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Preemptive use of oral gabapentin or pregabalin for acute postoperative pain following lower limb orthopaedic surgery under spinal anaesthesia. J. Kathmandu Med. Coll. [Internet]. 2019 Aug. 10 [cited 2026 Jul. 7];8(1):3-7. Available from: https://nepjol.info/index.php/JKMC/article/view/25200