The effect of grape seed extract on radiation-induced oxidative stress in the rat liver - ÇETİN, Aysun; KAYNAR, Leylagül; KOÇYİĞİT, İsmail; HACIOĞLU, Sibel Kabukçu; SARAYMEN, Recep; ÖZTÜRK, Ahmet; ORHAN, Okan; SAĞDIÇ, Osman (Turkish Journal of Gastroenterology, 2008)