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Dunn, J., Kusnezov, N., Bader, J., Waterman, B. R., Orr, J., & Belmont, P. J. (2016). Long versus short cephalomedullary nail for trochanteric femur fractures (OTA 31-A1, A2 and A3): a systematic review. Journal of Orthopaedics and Traumatology, 17(4), 361–367. doi:10.1007/s10195-016-0405-z 
10.1007/s10195-016-0405-z