1. Fukuda T, Naganuma M, Kanai T. Current new challenges in the management of ulcerative colitis. Intest Res. 2019; 17:36–44.
Article
2. Ooi CJ, Hilmi I, Banerjee R, et al. Best practices on immunomodulators and biologic agents for ulcerative colitis and Crohn’s disease in Asia. Intest Res. 2019; 17:285–310.
Article
3. Yanagi T, Ushijima K, Koga H, et al. Tacrolimus for ulcerative colitis in children: a multicenter survey in Japan. Intest Res. 2019; 17:476–485.
Article
4. Turner D, Walsh CM, Steinhart AH, Griffiths AM. Response to corticosteroids in severe ulcerative colitis: a systematic review of the literature and a meta-regression. Clin Gastroenterol Hepatol. 2007; 5:103–110.
Article
5. Kim YS, Kim YH, Kim JS, et al. The prevalence and efficacy of ganciclovir on steroid-refractory ulcerative colitis with cytomegalovirus infection: a prospective multicenter study. J Clin Gastroenterol. 2012; 46:51–56.
Article
6. Lee HS, Park SH, Kim SH, et al. Risk factors and clinical outcomes associated with cytomegalovirus colitis in patients with acute severe ulcerative colitis. Inflamm Bowel Dis. 2016; 22:912–918.
Article
7. Jain S, Namdeo D, Sahu P, et al. High mucosal cytomegalovirus DNA helps predict adverse short-term outcome in acute severe ulcerative colitis. Intest Res. 2021; 19:438–447.
8. Roblin X, Pillet S, Oussalah A, et al. Cytomegalovirus load in inflamed intestinal tissue is predictive of resistance to immunosuppressive therapy in ulcerative colitis. Am J Gastroenterol. 2011; 106:2001–2008.
Article
9. Kim YS, Kim YH, Kim JS, et al. Long-term outcomes of cytomegalovirus reactivation in patients with moderate to severe ulcerative colitis: a multicenter study. Gut Liver. 2014; 8:643–647.
10. Zhang WX, Ma CY, Zhang JG, et al. Effects of cytomegalovirus infection on the prognosis of inflammatory bowel disease patients. Exp Ther Med. 2016; 12:3287–3293.
Article
11. Inflammatory Bowel Disease Group; Chinese Society of Gastroenterology; Chinese Medical Association. Evidence-based consensus on opportunistic infections in inflammatory bowel disease (republication). Intest Res. 2018; 16:178–193.
12. Kucharzik T, Ellul P, Greuter T, et al. ECCO guidelines on the prevention, diagnosis, and management of infections in inflammatory bowel disease. J Crohns Colitis. 2021; 15:879–913.