%0 Journal Article %A Qiuke Wang %A Ning Sheng %A Biyu Rui %A Yunfeng Chen %T The neck-shaft angle is the key factor for the positioning of calcar screw when treating proximal humeral fractures with a locking plate %D 2020 %J The Bone & Joint Journal %P 1629-1635 %V 102-B %N 12 %R 10.1302/0301-620X.102B12.BJJ-2020-0070.R1 %U https://doi.org/10.1302/0301-620X.102B12.BJJ-2020-0070.R1 %K Calcar screw,Neck-shaft angle,Proximal humeral fracture,Surgery