Authors: Bartosz Wojewnik; Alexander J Ghanayem; Parmenion P Tsitsopoulos; Leonard I Voronov; Tejaswy Potluri; Robert M Havey; Julia Zelenakova; Alpesh A Patel; Gerard Carandang; Avinash G Patwardhan Journal: Eur Spine J Date: 2012-08-01 Impact factor: 3.134