title: Crohn's disease in the elderly: a diagnostic problem.
mesh_terms: D000367:Age Factors; D000368:Aged; D003106:Colon; D003424:Crohn Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004239:Diverticulitis, Colonic / Q000175:diagnosis; D005260:Female; D006801:Humans; D007421:Intestine, Small; D008875:Middle Aged; D012007:Rectum