George, M., L. Joseph, and V. S. Josekumar. “ANTIOXIDANT, ANTI-LIPID PEROXIDATIVE AND ANTIMICROBIAL PROPERTIES OF THE EPIPHYTIC FERN, PYRROSIA HETEROPHYLLA (L.) M. G. PRICE”. International Journal of Pharmacy and Pharmaceutical Sciences, Vol. 9, no. 4, Feb. 2017, pp. 87-93, doi:10.22159/ijpps.2017v9i4.16827.