USHA, B., and K. C. PUSHPALATHA. “IN VITRO ANTIOXIDANT ACTIVITY AND PHYTOCHEMICAL SCREENING OF LEAF EXTRACTS OF GREWIA HETEROTRICHA MAST”. International Journal of Current Pharmaceutical Research, vol. 8, no. 4, Oct. 2016, pp. 68-72, doi:10.22159/ijcpr.2016v8i4.15282.