Feasibility of proximal femoral nail antirotation with small incision in treatment of intertrochanteric fracture in the elderly patients 
Shi Shao-hua, Lv Shu-jun
Chinese Journal of Tissue Engineering Research . 2015, (9): 1405 -1409 .  DOI: 10.3969/j.issn.2095-4344.2015.09.016