Syzygium Cumini Leaves Extract from West Sumatra Indonesia Alleviate Oxidative Stress by Decreasing Malondialdehyde Level and Enhancing Catalase Activity in Rat Induced by Lead Acetate, Rita, Rauza Sukma, and Sy Elmatris , Pharmacognosy Journal, November 2021, Volume 13, Issue 6, p.1408-1412, (2021)