S., Balasubrahmanya K., Praveen M. Pawar, Srinidhi M., Shruthi S., Jinumon K. V., and Rahul D. Kunju. “A Prospective Study on Effectiveness of Use of Papain Urea Based Preparation in Dressings Compared With Regular Conventional Dressings in Diabetic Foot Ulcers”. International Surgery Journal 4, no. 6 (May 24, 2017): 1984–1987. Accessed November 25, 2025. https://www.ijsurgery.com/index.php/isj/article/view/1253.