title: Irritable bowel syndrome: a multifactorial disorder.
mesh_terms: D003109:Colonic Diseases, Functional / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology; D003131:Combined Modality Therapy / Q000379:methods; D003937:Diagnosis, Differential; D006801:Humans; D010353:Patient Education as Topic; D011593:Psychology, Social