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2. A clinical method of functional assessment of the shoulder;Constant;Clin Orthop,1987
3. Frakturen des proximalen;Habermeyer;Orthopade,1989
4. Plate fixation of proximal humeral fractures;Kristiansen;Acta Orthop Scand,1986
5. External fixation of displaced fractures of the proximal humerus;Kristiansen;J Bone Joint Surg,1987