S. Cummings, S. M. Rubin and D. Black, “The Future of Hip Fractures in the United States: Numbers, Costs, and Potential Effects of Postmenopausal Estrogen,” Clinical Orthopedics and Related Research, Vol. 252, 1990, pp. 163-166.
 K. Koval, G. B. Aharonoff, A. S. Rokito, T. Lyon and J. D. Zuckerman, “Patients with Femoral Neck and Intertrochanteric Fractures: Are They the Same? Clinical Orthopedics and Related Research, Vol. 330, 1996, pp. 166-172.
 Fracture and Dislocation Classification Compendium, “Orthopaedic Trauma Association Classification, Database and Outcomes Committee,” Journal of Orthopedic Trauma, Vol. 20, No. 10 (S1), 2007, pp. 31-42.
 M. Parker and H. H. Handoll, “Gamma and Other Cephalocondylic Intramedullary Nails versus Extramedullary Implants for Extracapsular Hip Fractures in Adults,” Cochrane Database Systematic Review, Vol. 3, 2008, p. CD93.
 C. Sadowski, A. Lübbeke, M. Saudan, N. Riand, R. Stern and P. Hoffmeyer, “Treatment of Reverse Oblique and Transverse Intertrochanteric Fractures with Use of an Intramedullary Nail or a 95° Screw-Plate: A Prospective, Randomized Study,” Journal of Bone and Joint Surgery (Am), Vol. 84, No. 3, 2002, pp. 372-381.
 S. Bridle, A. D. Patel, M. Bircher and P. T. Calvert, “Fixation of Intertrochanteric Fractures of the Femur, a Randomized Prospective Comparison of the Gamma Nail and the Dynamic Hip Screw,” Journal of Bone and Joint Surgery (Br), Vol. 73-B, No. 2, 1991, pp. 330-334.
 B. Giraud, E. Dehoux, N. Jovenin, K. Madi, A. Harisboure, G. Usandizaga, et al., “Pertrochanteric Fractures: A Randomized Prospective Study Comparing Dynamic Screw Plate and Intramedullary fixation,” Revue de Chirurgie Orthopedique et Reparatrice de l’Appareil Moteur, Vol. 91, No. 8, 2005, pp. 732-736.
 D. Hardy, P. Y. Descamps, P. Krallis, L. Fabeck, P. Smets, C. L. Bertens and P. E. Delince, “Use of an Intramedullary Hip-Screw Compared with a Compression HipScrew with a Plate for Intertrochanteric Femoral Fractures: A Prospective, Randomized Study of One Hundred Patients,” Journal of Bone and Joint Surgery (Am), Vol. 80, No. 5, 1998, pp. 618-630.
 K. Leung, W. S. So, W. Y. Shen and P. W. Hui, “Gamma Nails and Dynamic Hip Screws for Peritrochanteric Fractures: A Randomized Prospective Study in Elderly Patients,” Journal of Bone and Joint Surgery (Am), Vol. 74-B, No. 3, 1992, pp. 345-351.
 J. Madsen, L. Nass, A. K. Aune, A. Alho, A. Ekeland and K. Stromsoe, “Dynamic Hip Screw with Trochanteric Stabilizing Plate in the Treatment of Unstable Proximal Femoral Fractures: A Comparative Study with the Gamma Nail and Compression Hip Screw,” Journal of Orthopedic Trauma, Vol. 12, No. 4, 1998, pp. 241-248.
 C. Mainds and R. J. Newman, “Implant Failures in Patients with Proximal Fractures of the Femur Treated with a Sliding Screw Device,” Injury, Vol. 20, No. 2, 1989, pp. 98-109. http://dx.doi.org/10.1016/0020-1383(89)90151-4
 E. Osnes, C. M. Lofthus, J A. Falch, et al., “More PostOperative Femoral Fractures with the Gamma Nail than the Sliding Screw Plate in the Treatment of Trochanteric Fractures,” Acta Orthopedica Scandinavica, Vol. 72, No. 3, 2001, pp. 252-256.
 J. Pajarinen, J. Lindahl, O. Michelsson, V. Savolainen and E. Hirvensalo, “Pertrochanteric Femoral Fractures Treated with a Dynamic Hip Screw or a Proximal Femoral Nail; a Randomised Study Comparing Postoperative Rehabilitation,” Journal of Bone and Joint Surgery (Br), Vol. 87, No. 1, 2005, pp. 76-81.
 S. Papasimos, C. M. Koutsojannis, A. Panagopoulos, P. Megas and E. Lambiris, “A Randomised Comparison of AMBI, TGN and PFN for Treatment of Unstable Trochanteric Fractures,” Archives of Orthopaedic and Trauma Surgery, Vol. 125, No. 7, 2005, pp. 462-468.
 P. Radford, M. Needoff and J. K. Webb, “A Prospective Randomized Comparison of the Dynamic Hip Screw and the Gamma Locking Nail,” Journal of Bone and Joint Surgery (Br), Vol. 75-B, No. 5, 1993, pp. 789-793.
 C. Rogmark, L. Flensburg and H. Fredin, “Undisplaced Femoral Neck Fractures—No Problems? A Consecutive Study of 224 Patients Treated with Internal Fixation,” Injury, Vol. 40, No. 3, 2009, pp. 274-276.
 M. Saudan, A. Lubbeke, C. Sadowski, N. Riand, R. Stern and P. Hoffmeyer, “Pertrochanteric Fractures: Is There an Advantage to an Intramedullary Nail? A Randomized, Prospective Study of 206 Patients Comparing the Dynamic Hip Screw and Proximal Femoral Nail,” Journal of Orthopaedic Trauma, Vol. 16, No. 6, 2002, pp. 386-393.
 I. Schipper, E. W. Steyerberg, R. M. Castelein, F. H. W. M. van der Heijden, P. T. den Hoed, A. J. H. Kerver and A. B. van Vugt, “Treatment of Unstable Trochanteric Fractures: Randomised Comparison of the Gamma Nail and the Proximal Femural Nail,” Journal of Bone and Joint Surgery (Br), Vol. 86-B, No. 1, 2004, pp. 86-94.
 R. Simmermacher, A. M. Bosch and C. H. Van der Werken, “The AO/ASIF-Proximal Femoral Nail (PFN): A New Device for the Treatment of Unstable Proximal Femur Fractures,” Injury, Vol. 30, No. 5, 1990, pp. 327-332.
 A. L. F. Afsari, E. Lindvall, A. Infante, H. C. Sagi and G. J. Haidukewych, “Clamp-Assisted Reduction of High Subtrochanteric Fractures of the Femur,” Journal of Bone and Joint Surgery (Am), Vol. 92, No. S1 (Part 2), 2009, pp. 1913-1918. http://dx.doi.org/10.2106/JBJS.H.01563
 M. Baumgaertner, S. L. Curtin, D. M. Lindskog and J. M. Keggi, “The Value of the Tip-Apex Distance in Predicting Failure of Fixation of Peritrochanteric Fractures of the Hip,” Journal of Bone and Joint Surgery (Am), Vol. 77, No. 7, 1995, pp. 1058-1064.
 M. Forte, B. A Virnig, M. F. Swiontkowski, M. Bhandari, R. Feldman, L. E. Eberly and R. L. Kane, “Ninety-Day Mortality after Intertrochanteric Hip Fracture: Provider Volume Matter?” Journal of Bone and Joint Surgery (Am), Vol. 92, No. 4, 2010, pp. 799-806.
 D. J. Donegan, A. N. Gay, K. Baldwin, E. E. Morales, J. L. Esterhai and S. Mehta, “Use of Medical Comorbidities to Predict Complications after Hip Fracture Surgery in the Elderly,” Journal of Bone and Joint Surgery (Am), Vol. 92, No. 4, 2010, pp. 807-813.
 T. Barton, R. Gleeson, C. Topliss, R. Greenwood, W. J. Harries and T. J. S. Chesser, “A Comparison of the Long Gamma Nail with the Sliding Hip Screw for the Treatment of AO/OTA 31-A2 Fractures of the Proximal Part of the Femur: A Prospective Randomized Trial,” Journal of Bone and Joint Surgery (Am), Vol. 92, No. 4, 2010, pp. 792-798. http://dx.doi.org/10.2106/JBJS.I.00508
 T. Davis, J. L. Sher, A. Horsman, M. Simpson, B. B. Porter and R. G. Checketts, “Intertrochanteric Femoral Fractures—Mechanical Failure after Intrenal Fixation,” Journal of Bone and Joint Surgery (Br), Vol. 72-B, No. 1, 1990, pp. 26-31.
 S. Larsson, S. Friberg and L. Hansson, “Trochanteric Fractures, Influence of Reduction and Implant Position on Impaction and Complications,” Clinical Orthopedics and Related Research, Vol. 259, 1990, pp. 130-139.
 M. Güvena, U. Yavuzb, B. Kadiogluc, B. Akmand, V. Kilincoglue, K. ünayc and F. Altintas, “Importance of Screw Position in Intertrochanteric Femoral Fractures Treated by Dynamic Hip Screw,” Orthopaedics & Traumatology: Surgery & Research, Vol. 96, No. 1, 2010, pp. 21-27.