An excellent source of info, covers many topics in 9 pages. I reccomend reading them all if you have time and interest in learning. It covers fusions but not scoli, but ours is the same thing just longer.
http://www.aann.org/ce/pdf/0602c.pdf
My Best 2 All
Chris
http://www.aann.org/ce/pdf/0602c.pdf
My Best 2 All
Chris