title: Clinical patterns in Crohn's disease: a statistical study of 615 cases.
mesh_terms: D000328:Adult; D000367:Age Factors; D001706:Biopsy; D003424:Crohn Disease / Q000150:complications / Q000453:epidemiology / Q000601:surgery; D006801:Humans; D007421:Intestine, Small / Q000473:pathology; D008875:Middle Aged; D009820:Ohio; D012737:Sex Factors; D013997:Time Factors