https://texasback.com/sites/default/files/_images/ZIgler%20JNS%202012%20ASD.pdf
December 2012 Jack E. Zigler, M.D., Jamieson Glenn, M.D., and Rick B. DeLamarter, M.D.
December 28, 2017
Revolutionizing Spine Care…Changing Lives
Five-year adjacent-level degenerative changes in patients with single-level disease treated using lumbar total disc replacement with ProDisc-L versus circumferential fusion