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Ematoxilin-Eosin staining of colon sections in chemical-induced chronic colitis. A: histological analysis of paraffin embedded colon sections. UNTR (untreated, hydroalcoholic solution only); B: DSS (DSS 2% plus hydroalcoholic solution); C: DSS + IL-10/anti-IL-1 (DSS 2% + interleukin-10 plus anti-IL-1 antibody).
