Masood, S.; Javed Gardezi , S.; Haider, U.; Ansari, A.; Zubair, Z. Effect of Intraperitoneal Instillation of Bupivacaine Injection in Terms of Post-Operative Pain and Duration of Hospital Stay in Patients Undergoing Laparoscopic Cholecystectomy. Esculapio - JSIMS 2023, 10, 35-38.