title: Burden of digestive diseases in the United States part II: lower gastrointestinal diseases.
authors.affiliation: Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland, USA.
authors.forename: James E
authors.initials: JE
authors.lastname: Everhart
authors.forename: Constance E
authors.initials: CE
authors.lastname: Ruhl
mesh_terms: D016099:Endoscopy, Gastrointestinal; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000453:epidemiology*; D006801:Humans; D014481:United States / Q000453:epidemiology