title: Crohn's disease and pre-aphthoid lesions.
authors.affiliation: Department of Gastroenterology, University Hospital, Leuven, Belgium.
authors.forename: P
authors.initials: P
authors.lastname: Rutgeerts
authors.forename: K
authors.initials: K
authors.lastname: Geboes
mesh_terms: D003093:Colitis, Ulcerative / Q000473:pathology; D003424:Crohn Disease / Q000473:pathology*; D006801:Humans; D007422:Intestines / Q000473:pathology*; D014456:Ulcer / Q000473:pathology