title: American Gastroenterological Association medical position statement on constipation.
authors.forename: Adil E
authors.initials: AE
authors.lastname: Bharucha
authors.forename: Spencer D
authors.initials: SD
authors.lastname: Dorn
authors.forename: Anthony
authors.initials: A
authors.lastname: Lembo
authors.forename: Amanda
authors.initials: A
authors.lastname: Pressman
mesh_terms: D002908:Chronic Disease; D003248:Constipation / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*; D003672:Defecation; D006801:Humans