2Neer C.Displaced proximal humeral fracture,part Ⅰ,classification and evaluation[J].J Bone Joint Surg(Am),1970,52:1077-1089.
3Neer CS.Dislaced proximal humeral fractures,dassification and evelua2 tion[J].J Bone Joint Surg(Am),1970,52:1077.
4Kristiansen B, Christensen S W. Proximal humeral fracture: late results in relation to classification and treatment [ J ]. Acta Orthop Scand. 1997, 58:124~ 127.
5Nayak NK. Schickendantz MS. Regan WD. Hawkins RJ. Operative treatment of nonunion of surgical neck fractures of fractures of the humerus[ J ]. Clin Orthop. 1995, 313: 200 ~ 205.
6Neer, C. S Ⅱ . Displaced proximal humeral fracture, Part Ⅰ, Classification and evaluation[ J ]. J Bone Joint Surg (Am), 1970, 52:1077 ~1089.