Liou J-M, Wang H-P, Ko B-S, Cheng T-Y, Wu M-S, Lin J-T
Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
J Gastroenterol Hepatol. 2005 Oct;20(10):1616. doi: 10.1111/j.1440-1746.2005.04114.x.