Saini, Shipra, Sulekha Mandal, and Dilip Agarwal. “Development and Validation of RP-HPLC Method for the Simultaneous Estimation of Methionine, Pyridoxine Hydrochloride and Nicotinamide in Combined Dosage Form”. Asian Journal of Pharmaceutical Research and Development 9, no. 1 (February 15, 2021): 95–101. Accessed April 27, 2024. https://ajprd.com/index.php/journal/article/view/877.