2Mowat C, Cole A, Windsor A, et al. Guidelines for the manage- ment of inflammatory bowel disease in adults[J]. Gut,2011,60(5): 571-607.
3Zheng J J, Zhu XS, Huang FZ, et at. Prevalence and incidence rates of Crohn's disease in China's Mainland: a meta-analysis of 55 years of research[J]. J Dig Dis,2010,11(3):161-166.
4Lee YH, Bae SC, Song GG. Hepatitis B virus (HBV) reactivation in rheumatic patients with hepatitis core antigen (HBV occult car- riers) undergoing anti-tumor necrosis factor therapy[J]. Clin Exp Rheumatol,2013,31 (1): 118-121.
5de Ridder L, Rings EH, Damen GM, et al. Infliximab dependency in pediatric Crohn's disease: long-term follow-up of an unselected cohort[J]. Inflamm Bowel Dis,2008,14(3):353-358.