title: Endoscopic ultrasonography--more questions than answers?
authors.forename: T
authors.initials: T
authors.lastname: Rösch
mesh_terms: D001707:Biopsy, Needle / Q000379:methods; D002908:Chronic Disease; D016145:Endoscopy, Digestive System; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D010195:Pancreatitis / Q000000981:diagnostic imaging*; D014463:Ultrasonography / Q000379:methods*