Y. ATAMER, Y. KOÇYİĞİT, A. ATAMER, N. CANORUÇ, and G. TOPRAK, “Investigation of the effect vitamin e agains carbon tetrachlorur hepatotoxicity and alterations of glutathione, glutathione peroxidase”, Turkish Journal of Gastroenterology, vol. 8, no. 4, pp. 375–380, Jan. 1997.