Ali L, Alam W, Mehboob S, Ali U. PRE-EMPTIVE VS CONVENTIONAL METHOD OF EPIDURAL ANALGESIA FOR POST THORACOTOMY PAIN: A RANDOMIZED CONTROLLED TRIAL. Pak Armed Forces Med J [Internet]. 2020 Apr. 30 [cited 2025 Oct. 2];70(2):318-22. Available from: https://www.pafmj.org/PAFMJ/article/view/4182