Vijay Kimtata, Vishu Gupta, Lakhbir Singh, Hasan Ali Ahmed, Ayesha Siddiqua Begum G, and A. M. Athar, “The Efficacy and Safety of an Ayurvedic Petsaffa Formulation in Subjects with Constipation: An Open-Label, Non-Randomized Clinical Study”, Int J Ayu Pharm Res, vol. 11, no. 3, pp. 38-42, Apr. 2023.