U., Jinu, et al. “IN VITRO ANTIOXIDANT CAPACITY OF THE FERN, DRYNARIA QUERCIFOLIA (L) SM., RHIZOME EXTRACT”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 7, July 2014, pp. 413-6, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/2019.