title: An epidemiological study of regional enteritis and acute ileitis in Copenhagen County.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D003424:Crohn Disease / Q000175:diagnosis / Q000453:epidemiology*; D003718:Denmark; D005260:Female; D006801:Humans; D007079:Ileitis / Q000175:diagnosis / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged