title: Triangulation: the holy grail of endoscopic surgery?
authors.forename: Daniel
authors.initials: D
authors.lastname: von Renteln
authors.forename: Melina C
authors.initials: MC
authors.lastname: Vassiliou
authors.forename: Thomas
authors.initials: T
authors.lastname: Rösch
authors.forename: Richard I
authors.initials: RI
authors.lastname: Rothstein
mesh_terms: D019723:Endoscopes; D006801:Humans; D010535:Laparoscopy; D057605:Natural Orifice Endoscopic Surgery / Q000295:instrumentation / Q000379:methods