6Boileau P, Krishnan SG, Tinsi L, et al. Tuberosity malposi- tion and migration: reasons for poor outcomes after hemiar- throplasty for displaced fractures of the proximal humerus. J Shoulder Elbow Surg, 2002, 11:401-412.
7Klinger HM, Baums MH, Eckert M, et al. A comparative study of unstable per- and intertrochanteric femoral fractures treated with dynamic hip screw (DHS) and trochanteric butt - press plate vs. proximal femoral nail (PFN). Zentralbl Chit, 2005, 130 (4) : 301
8Zueker JD,Skovron ML, Koval KJ,et al.Postoperative complications and mortality associated with operative delay in older patients who have fracture of the hip. J Bone Joint Surg(Am), 1995,77:1551.
