Shukla S, Mishra T, Pal M, Meena B, Singh Rana T, Kumar Upreti D. Comparative Analysis of Fatty Acids and Antioxidant Activity of Betula utilis Bark Collected from Different Geographical Region of India. Free Rad. Antiox. [Internet]. 2016Sep.1 [cited 2025May24];7(1):80-5. Available from: https://www.antiox.org/index.php/fra/article/view/111