Parvathy Gopan (2022) “A randomised controlled clinical study to evaluate the role of Nirvapana Upakrama with Durva ointment in the management of Pittaja Dushta Vrana with special reference to fissure-in-ano”, Journal of Ayurveda and Integrated Medical Sciences, 7(6), pp. 35–45. doi: 10.21760/jaims.7.6.6.