title: Investigating symptoms: use of questionnaires in gastroenterology.
authors.affiliation: Department of Clinical Sciences, La Sapienza University, Rome, Italy.
authors.forename: E
authors.initials: E
authors.lastname: Calabrese
authors.forename: F
authors.initials: F
authors.lastname: Alghisi
authors.forename: E
authors.initials: E
authors.lastname: Corazziari
authors.forename: N
authors.initials: N
authors.lastname: Pallotta
mesh_terms: D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000209:etiology*; D006801:Humans; D011795:Surveys and Questionnaires