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A representative case showing a high intersphincteric fistula resulted in Crohn’s disease. A 25-year-old male patient had been diagnosed with an anal fistula in July 2017 and was assigned to observation group. This patient was completely healed at 3 months and complete healing was sustained for up to 12 months after injection. a Preinjection, b 3 months, c 6 months, and d 12 months after injection of ADSCs
