Singh, R., Kaushik, S., Yadav, P. and Prajapati, P.K. 2021. Antioxidant Profile of Shilajatu (Asphaltum punjabinum): Impact of Drava/Media and Bhumi/Geography. Free Radicals and Antioxidants. 11, 1 (Jul. 2021), 19–23. DOI:https://doi.org/10.5530/fra.2021.1.4.