title: [Localization and extent of Crohn disease at initial diagnosis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003424:Crohn Disease / Q000473:pathology*; D004064:Digestive System / Q000473:pathology; D004724:Endoscopy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Lokalisation und Ausdehnung des Morbus Crohn bei der Erstdiagnose.