title: MRI evaluation of Crohn disease activity.
authors.affiliation: Department of Gastroenterology, Hospital of the University of Pennsylvania, Philadelphia 19104, USA.
authors.forename: G R
authors.initials: GR
authors.lastname: Lichtenstein
authors.forename: M
authors.initials: M
authors.lastname: Schnall
authors.forename: H
authors.initials: H
authors.lastname: Herlinger
mesh_terms: D003424:Crohn Disease / Q000175:diagnosis*; D018450:Disease Progression; D006801:Humans; D008279:Magnetic Resonance Imaging; D012720:Severity of Illness Index