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Level of faecal calprotectin at baseline and after 12 wk of anti-tumor necrosis factor therapy in patients with Crohn’s disease achieving steroids-free remission (Crohn’s disease activity index < 150 and C-reactive protein < 2.9 mg/L and faecal calprotectin < 250 µg/g with no therapeutic intensification and no surgery) or not at week 52. CFREM: Corticosteroids-free remission.
