5Klein M, Juschka M, Hinkenjann B, et al. Treatment of comminuted fractures of the proximal humerus in elderly patients with the Delta Ⅲ reverse shoulder prosthesis[ J]. J Orthop Trauma,2008,22(10) :698 - 704.
6Kontakis G, Koutras C ,Tosounidis T,et al. Early management of proximal humeral fractures with hemiarthroplasty : a systematic review[ J]. J Bone Joint Surg Br,2008,90( 11 ) :1407 - 1413.
3[3]Trupika A,Wiedemann E,Ruchholtz S,et al.Dislocated multiple fragmeat fractures of the gead of the humenus.Does dislocation of the humend head fragment signift a wouse prognosis?[J].Unfallchirurg,1997,100(2):105-110.
4[4]Habermeyer P.Schwerberer L.Fractures of the humeral head.Conservative and surgical differential theraty[J].Unfallchirarg,1991,94(9):438-446.
5Lill H,Josten C. Conservative or operative treatment of humeral head fractures in the elderly.? [J]. Chirurg,2001,72(11):1 224.