title: Ultrasonography--the stethoscope of the surgeon in the era of endoscopic surgery.
authors: U
authors: U
authors: Holthausen
authors: H
authors: H
authors: Troidl
authors: A
authors: A
authors: Paul
mesh_terms: D004724:Endoscopy; D006801:Humans; D010535:Laparoscopy; D018084:Ultrasonography, Interventional