5Heymann-Monnikes I, Arnold R, Florin I, et al. The combination of medical treatment plus multicomponent behavioral therapy is superior to medical treatment alone in the therapy of irritable bowel Am[J]. Gastroenterol, 2000,95(4) :981.
6Stewart WF,Liberman JN,Sandler RS,et al.Epidemiology of constipation(EPOC)study in the United States:Relation of clinical subtypes to socioeconomic features.Am J Gastroenterol,1999,94:3530-3539.
