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(A–D) Endoscopic appearance of patients before receiving tofacitinib (Image order corresponds to patient order where A, Patient 1; B, Patient 2; C, Patient-3; D, Patient 4). (Right) CRP improvement after initiation of tofacitinib. +Indicates when tofacitinib was initiated. *Indicates when the dose of tofacitinib was reduced.
