7Tfiantafillidis JK, Emmanouilidis A, Pomonis E, et al. Ulcerative colitis in the elderly:Clinical patterns and outcome in 51 Greek patients. Gastroenterol,2001,36(5) :312-316.
5Ouyang Q,Tandon R,Goh KL et al.The emergence of inflammatory bowel disease in the Asian Pacific region[J].Curr Opin Gastroenterol,2005,21:408-413.
6Russel MG.Changes in the incidence of inflammatory bowel disease:what does it mean?[J].Eur J Intern Med,2000,11:191-196.
7Loftus EV Jr,Sandborn WJ.Epidemiology of inflammatory bowel disease[J].Gastroenterol Clin North Am,2002,31:1-20.
8Aghazadeh R,Zali MR,Bahari A,et al.Inflammatory bowel disease in Iran:a review of 457 cases[J].J Gastroenterlo,2005,20:1691-1695.
9Triantafillidis JK,Emmanouilidis A,Pomonis E,et al.Ulcerative colitis in the elderly:Clinical patterns and outcome in 51 Greek patients[J].J Gastroenterol,2001,36:312-316.
10Witte J,Shivananda S,Lennard-Jones JE.et al.Disease outcome in inflammatory bowel diaease:morbidity and therapeutie management of a 796-person in inception cohout in the European Collaborative Study on Inflammatory Bowel Disease (EG-IBD)[J].Scand J Gastroenterol,2000,12:1272-1277.
