FARHAN ALI, ABDUL BARY, HAMID RAZA LAGHARI, MUHAMMAD ZAFAR, MUHAMMAD AKRAM, SIRAJUDDIN. Comparison of Intraperitoneal Instillation of Bupivacaine versus Tramadol for Post-operative Pain in Patients Undergoing Laparoscopic Cholecystectomy. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 17, n. 12, p. 171, 2023. DOI: 10.53350/pjmhs020231712171. Disponível em: https://www.pjmhsonline.com/index.php/pjmhs/article/view/5919. Acesso em: 11 nov. 2025.