title: A diagnostic approach to the patient with a chronic diarrheal disorder.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002908:Chronic Disease; D003109:Colonic Diseases, Functional / Q000175:diagnosis; D003967:Diarrhea / Q000145:classification / Q000175:diagnosis* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged