In vivo evaluation of graded fresh leave extracts of vernonia amygdalina and ocimum gratissimum on some oxidative stress indicators in rats. Biomed. Res. Ther. [Internet]. 2015 Jul. 27 [cited 2024 Nov. 15];2(07):333-8. Available from: https://preservation.bmrat.org/index.php/BMRAT/article/view/56