S. C, S. T, P. M. Simultaneous UV Spectrophotometric Method for Estimation of Berberine and Withanolide in Polyherbal Immunity Booster Dosage Form. ijnrph [Internet]. 2023 Dec. 30 [cited 2024 May 20];1(2):26-31. Available from: https://www.ijnrph.com/index.php/ijnrph/article/view/29