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Intestinal and colon epithelial occludin expression. A: Intestinal epithelium occludin expression decreased in PN group (200×); B: Intestinal epithelium occludin expression increased in probiotics group (200×); C: Colon epithelium occludin expression decreased in PN group (200×); D: Colon epithelium occludin expression increased in probiotics group (200×).
