Authors: Alexander R Vaccaro; Cumhur Oner; Christopher K Kepler; Marcel Dvorak; Klaus Schnake; Carlo Bellabarba; Max Reinhold; Bizhan Aarabi; Frank Kandziora; Jens Chapman; Rajasekaran Shanmuganathan; Michael Fehlings; Luiz Vialle Journal: Spine (Phila Pa 1976) Date: 2013-11-01 Impact factor: 3.468