Gamma nail versus locking titanium plate fixation for unstable intertrochanteric fracture in the elderly: hip function 
Gao Jin-wei, Chang Jia-nan, Liang Wei-zhi
Chinese Journal of Tissue Engineering Research . 2015, (31): 4994 -4999 .  DOI: 10.3969/j.issn.2095-4344.2015.31.014