Protective effect of Pelargonium graveolens against carbon tetrachloride-induced hepatotoxicity in mice and characterization of its bioactive constituents by HPLC–PDA–ESI–MS/MS analysis - Al-Sayed, E; Martiskainen, O; Seif el-Din, S; Sabra, A N; Hammam, O; El-Lakkany, N (Med Chem Res Advance, 2014)