Clinical challenge of functional gastrointestinal disorders.
D000328:Adult; D000368:Aged; D003109:Colonic Diseases, Functional / Q000175:diagnosis; D005260:Female; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011611:Psychosomatic Medicine