title: Natural history of regional enterocolitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002429:Cecal Diseases / Q000453:epidemiology; D002648:Child; D003108:Colonic Diseases / Q000453:epidemiology* / Q000601:surgery; D003424:Crohn Disease / Q000453:epidemiology* / Q000601:surgery; D004378:Duodenal Diseases / Q000453:epidemiology; D005260:Female; D006801:Humans; D007079:Ileitis / Q000453:epidemiology; D007583:Jejunum; D008297:Male; D008875:Middle Aged; D009820:Ohio; D012189:Retrospective Studies; D012737:Sex Factors; D013530:Surgical Wound Infection / Q000453:epidemiology