title: Who needs an endoscopic ultrasound?
authors.affiliation: Division of Gastroenterology, University of British Columbia, Vancouver. ecslam@shaw.ca
authors.forename: Eric C
authors.initials: EC
authors.lastname: Lam
mesh_terms: D004066:Digestive System Diseases / Q000000981:diagnostic imaging*; D019160:Endosonography; D006801:Humans