2Lee PC, Hsieh PH, Chou YC, et al. Dynamic hip screws for un- stable intertrochanteric fractures in elderly patients-encouraging results with a cement augmentation technique [J]. J Trauma, 2010,68(4):954-564.
3Xu YZ, Geng DC, Mao HQ, et al. A comparison of the proximal femord nail antirotation device and dynamic hip screw in the treatment of unstable pertrochanterie fracture[J]. J Int Med Res, 2010,38(4) : 1266-1275.
4Campbell AC, Goyal S, Miller NJ, et al. New technique for revi- sing dynamic hip screw fixations with lag screw in situ[J]. J Or- thop Trauma, 2010,24(10) :653-655.
