Digital anatomy of lumbar spinous process tilt angle of adults in northeast China: prodinding reference for pedicle screw insertion  
Li Peng, Li Hong-wei, Wang Shuang, Wang Hai-zhou
Chinese Journal of Tissue Engineering Research . 2017, (7): 1064 -1068 .  DOI: 10.3969/j.issn.2095-4344.2017.07.015