Lal, V., S. Deolekar, T. P. Shaikh, and P. Narayan. “Study to Evaluate the Role of Laparoscopy in Chronic Abdominal Pain”. International Journal of Research in Medical Sciences, vol. 3, no. 1, Jan. 2017, pp. 36-40, https://www.msjonline.org/index.php/ijrms/article/view/1204.