Authors: Oheneba Boachie-Adjei; Elias C Papadopoulos; Ferran Pellisé; Matthew E Cunningham; Francisco Sanchez Perez-Grueso; Munish Gupta; Baron Lonner; Kenneth Paonessa; Akilah King; Cristina Sacramento; Han Jo Kim; Michael Mendelow; Muharrem Yazici Journal: Eur Spine J Date: 2012-05-25 Impact factor: 3.134