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(a) Percentage of patients with EBV-DNA positivity in blood in different groups aP, 0.039, UC versus CD; bP,0.121, refractory UC versus nonrefractory UC; cP, 0.458, refractory CD versus nonrefractory CD Percentage of patients with EBER-1 positive in mucosal in different groups. aP, 0.012, UC versus CD;bP, 0.191, refractory UC versus nonrefractory UC; cP, 0.019, refractory CD versus nonrefractory CD
