New Antioxidant and Antimicrobial Ellagic Acid Derivatives from Pteleopsis hylodendron - Atta-Ur-Rahman; Ngounou, F N; Choudhary, M Iqbal; Malik, Shahid; Makhmoor, Talat; Nur-E-Alam, M; Zareen, Seema; Lontsi, D; Ayafor, J F; Sondengam, B L (Planta Medica, 2001)