In vivo antioxidant and antiulcer activity of Parkia speciosa ethanolic leaf extract against ethanol-induced gastric ulcer in rats - Al Batran, R; Al-Bayaty, F; Al-Obaidi, M MJ; Abdualkader, A M; Hadi, H A; Ali, H M; Abdulla, M A (PLoS One, 2013)