Lal, Arun, Thomas K. Thomas, R. Dayananda Babu, and Deepak Paul. “A Study to Determine the Value of Pre Operative Hyperbilirubinemia As a Predictor of Complicated Appendicitis”. International Surgery Journal 7, no. 9 (August 27, 2020): 2848–2852. Accessed January 6, 2026. https://www.ijsurgery.com/index.php/isj/article/view/6381.