American college of gastroenterology monograph on the management of irritable bowel syndrome and chronic idiopathic constipation

Alexander C. Ford, Paul Moayyedi, Brian E. Lacy, Anthony J. Lembo, Yuri A. Saito, Lawrence R. Schiller, Edy E. Soffer, Brennan M R Spiegel, Eamonn M M Quigley