Alok Kumar, and Ekta Dogra. “A Pilot Study: Role of Nimba Kshar Sutra in the Management of Bhagandara (Fistula - In - Ano)”. World Journal of Pharmaceutical Sciences, vol. 3, no. 3, Mar. 2015, pp. 525-31, https://wjpsonline.com/index.php/wjps/article/view/role-nimba-kshar-sutra-management-bhagandara.