Journal of Gastroenterology
Journal of Gastroenterology > 2004 > 39 > 1 > 34-40
Journal of Gastroenterology > 2004 > 39 > 3 > 260-267
Journal of Gastroenterology > 2004 > 39 > 8 > 769-775
Journal of Gastroenterology > 2004 > 39 > 11 > 1078-1084