PRELIMINARY PHYTOCHEMICAL SCREENING AND IN VITRO ANTIOXIDANT ACTIVITY OF ETHIOPIAN INDIGENOUS MEDICINAL PLANTS, OCIMUM LAMIIFOLIUM HOCHST. EX BENTH AND OCIMUM BASILICUM L. Int. J. Pharm. Sci. Drug Res. 2016, 8 (1), 30-36. https://doi.org/10.25004/IJPSDR.2016.080105.