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Copyright ©The Author(s) 2018.
World J Gastroenterol. Sep 21, 2018; 24(35): 4014-4020
Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4014
Table 1 Mayo endoscopic subscore
Normal (0): No inflammatory signs
Mild (1): Erythema
Moderate (2): Friability, erosions
Severe (3): Spontaneous bleeding, ulcerations