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Ustekinumab induction and maintenance therapy in refractory Crohn's disease.
Sandborn WJ, Gasink C, Gao LL, Blank MA, Johanns J, Guzzo C, Sands BE, Hanauer SB, Targan S, Rutgeerts P, Ghosh S, de Villiers WJ, Panaccione R, Greenberg G, Schreiber S, Lichtiger S, Feagan BG; CERTIFI Study Group. Sandborn WJ, et al. N Engl J Med. 2012 Oct 18;367(16):1519-28. doi: 10.1056/NEJMoa1203572. N Engl J Med. 2012. PMID: 23075178 Free article. Clinical Trial.