TY - JOUR AU - Kralinger, F. AU - Unger, S. AU - Wambacher, M. AU - Smekal, V. AU - Schmoelz, W. DO - doi:10.1302/0301-620X.91B7.21857 UR - https://doi.org/10.1302/0301-620X.91B7.21857 TI - The medial periosteal hinge, a key structure in fractures of the proximal humerus T2 - The Journal of Bone & Joint Surgery British Volume VL - 91-B IS - 7 PY - 2009 SP - 973 EP - 976 ER -