Minimally invasive transforaminal lumbar interbody fusion: characteristics of screw malposition and cage displacement 
Chen Xiao-tao, Xie Shou-ning, Wang Kai
Chinese Journal of Tissue Engineering Research . 2015, (13): 2057 -2062 .  DOI: 10.3969/j.issn.2095-4344.2015.13.017