title: More EUS questions: what is the impact of EUS impact studies?
authors.affiliation: Gastroenterology Division, Medical University of South Carolina Charleston, USA.
authors.forename: A V
authors.initials: AV
authors.lastname: Sahai
authors.forename: B J
authors.initials: BJ
authors.lastname: Hoffman
authors.forename: R H
authors.initials: RH
authors.lastname: Hawes
mesh_terms: D019160:Endosonography; D005069:Evaluation Studies as Topic; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans