Videolaryngoscopy versus direct laryngoscopy for double-lumen endotracheal tube intubation in thoracic surgery - a randomised controlled clinical trial oleh Joachim Risse, Ann-Kristin Schubert, Thomas Wiesmann, Ansgar Huelshoff, David Stay, Michael Zentgraf, Andreas Kirschbaum, Hinnerk Wulf, Carsten Feldmann, Karl Matteo Meggiolaro