The Spine Journal
The Spine Journal > 2009 > 9 > 1 > 13-21
The Spine Journal > 2009 > 9 > 1 > 39-46
The Spine Journal > 2009 > 9 > 12 > 987-994
The Spine Journal > 2009 > 9 > 1 > 13-21
The Spine Journal > 2009 > 9 > 1 > 39-46
The Spine Journal > 2009 > 9 > 12 > 987-994