van Rijn KL, Meima-van Praag EM, Bossuyt PM, D'Haens GR, et al. Fibrosis and MAGNIFI-CD Activity Index at Magnetic Resonance Imaging to Predict Treatment Outcome in Perianal Fistulizing Crohn's Disease Patients. J Crohns Colitis 2022;16:708-716.
PMID: 34644395