1. Epidemiology of fracture of the upper end of the humerus;Horak;Clin Orthop,1975
2. Epidemiologic features of humeral fractures;Rose;Clin Orthop,1982
3. Rupture of the supraspinatus tendon and other lesions in or about the subacromial bursas;Codman,1934
4. Classification and aspects of treatment of fractures of the proximal humerus;Jakob,1984
5. Die frakturen am oberen humerusende;Kocher,1896