Intervertebral bone fusion after posterior lumbar interbody fusion using the Cage impacted with laminar and processus spinosus bone chips in the treatment of degenerative diseases of the lumbar spine in 63 cases Chinese Journal of Tissue Engineering Research . 2010, (35): 6632 -6635 .  DOI: 10.3969/j.issn.1673-8225.2010.35.043