K., Hari Ramakrishnan, and Janaky Ranjithkumar. “Quantitative Determination of Vitamin E Isomers Using Gas Chromatography, High Performance Liquid Chromatography and High Performance Thin Layer Chromatography”. The Indian Journal of Nutrition and Dietetics 54, no. 3 (July 4, 2017): 294–301. Accessed May 6, 2024. http://www.informaticsjournals.com/index.php/ijnd/article/view/15589.