1. Four-part proximal humeral fractures;Aschauer,2005
2. Pelvis, hips, and thigh;Berquist,2001
3. Fractures of the shoulder: part I. Fractures of the proximal humerus;Bigliani,1991
4. MRI of avascular necrosis of bone;Bluemke;Top Magn Reson Imaging,1996
5. Neer's classification system: a critical appraisal;Brien;J Trauma,1995