1. Berglund-Röde’n M, Swiersta BA, Wingstrand H, Thorngren KG (1994) Prospective comparison of hip fracture treatment. Acta Orthop Scand 65(3):287–294
2. Bridle SH, Patel AD, Bircher M, Calvert PT (1991) Fixation of intertrochanteric fractures of the femur. A randomised prospective comparison of the gamma nail and dynamic hip screw. J Bone Joint Surg [Br] 73(2):330–334
3. Calvert PT (1992) The Gamma nail- a significant advance or a passing fashion? J Bone Joint Surg [Br] 74 B:329–331
4. Ceder L, Thorngren KG, Wallden B (1980) Prognostic indicators and early home rehabilitation in elderly patients with hip fractures. Clin Orthop 152:173–184
5. van Doorn R, Stapert JWJL (1999) Indications for the long Gamma nail: do we need a change in the classification system? Dutch experience with the treatment of 328 subtrochanteric fractures with major involvement of the femoral shaft with the long Gamma nail. In: Gahr RH, Leung KS, Rosenwasser MP, Roth W (eds) The Gamma locking nail. Ten years results and surgical experience. Einhorn-Presse Verlag, Reinbeck, pp 149–157