Cengiz Cem, Turhan Nesrin, Yolcu O Faruk, Yilmaz Sevinc
Department of Gastroenterology, Turkiye Yuksek Ihtisas Hastanesi, 8 Cadde, 81 Sokak, No. 7/18, Emek, 06510 Ankara, Turkey.
Dig Dis Sci. 2007 Sep;52(9):2438-43. doi: 10.1007/s10620-006-9280-4. Epub 2007 Apr 19.