EUROPEAN SPINE JOURNAL Volume 31 Issue 8 Volume 27 Issue 3 Issue 1 Volume 26 Issue 11 Issue 9 Issue 8 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 25 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 24 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 23 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 22 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 21 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 20 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 19 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 18 Issue 12 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 17 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 16 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 15 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 14 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 13 Issue 7 Issue 6 Issue 5 Issue 4 Volume 8 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 6 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 5 Issue sup Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 4 Issue 6