Ahmed Akram Hussein, Jalal Nama Abduljaleel, and Riyadh Zaer Jasim Al.mohammed. “Effect of Installing Xylocaine Solution on the Surgical Bed on Postoperative Pain After Laparoscopic Cholecystectomy Baghdad/2022”. International Journal of Medical Science in Clinical Research and Review, vol. 6, no. 02, Apr. 2023, pp. Page: 442-448, https://ijmscrr.in/index.php/ijmscrr/article/view/519.