title: [Unusual mucosal changes in a severe colitis].
authors: Service d'anatomie pathologique, hôpital Saint-Louis, AP-HP, 1, avenue Claude-Vellefaux, 75010 Paris, France.
authors: Khadija
authors: K
authors: Chérif
authors: Sophie
authors: S
authors: Buyse
authors: Axèle
authors: A
authors: Champault
authors: Julie
authors: J
authors: Gonin
authors: Elisabeth
authors: E
authors: Da Maia
authors: Anne
authors: A
authors: Janin
authors: Philippe
authors: P
authors: Bertheau