Abu Sufyan, Muhammad Rafiq Zafar, Anwaar Ahmed, Mujahid Ali, Zahoor Iqbal Mirza, Muhammad Sarwar Alvi. Post-Operative Pain Score Comparison of Bupivacaine Vs Placebo in Patients   Undergoing Percutaneous Nephrolithotomy. Pak Armed Forces Med J [Internet]. 2024 Aug. 30 [cited 2024 Nov. 22];74(4):951-5. Available from: https://pafmj.org/PAFMJ/article/view/9258