title: Colonoscopy, inflammatory bowel disease.
authors.affiliation: Department of Medicine I, University Hospital Erlangen, Erlangen, Germany.
authors.forename: Helmut
authors.initials: H
authors.lastname: Neumann
authors.affiliation: Department of Medicine I, University Hospital Erlangen, Erlangen, Germany.
authors.forename: Markus F
authors.initials: MF
authors.lastname: Neurath