1. [1] Rockwood CA Jr, Green DP, Bucholz RW. Rockwood & Green's Fractures in adults. Section - 4. Chapter - 45. In: Bucholz RW, Heckman JD, Court-Brown CM, et al. eds. Lower extremity > Intertrochanteric fractures. Vol. 2. 6th edn. Philadelphia: Lippincott Williams & Wilkins c2006.
2. [2] Melton LJ 3rd, Ilstrup DM, Riggs BL, et al. Fifty year trend in hip fracture incidence. Clin Orthop Relat Res 1982;162:144-9.
3. Patients with femoral neck and intertrochanteric fractures;Koval;Are they the same? Clin Orthop Relat Res,1996
4. [4] Hayes WC. Biomechanics of falls and hip fracture in the elderly. In: Apple DF, Hayes WC, eds. Prevention of falls and hip fractures in the elderly. Rosemont, Illinois: American Academy of Orthopaedic Surgeons 1994: p. 41-65.
5. A hypothesis: the causes of hip fractures;SR;J Gerontol,1989