To determine femoral head movement as a function of the ... that there are benefits to using 4 lag screws for fixation of femoral neck fractures with posterior comminution. Made possible through ...

1 Department of Orthopaedic Surgery, General Hospital of Jinan Military Command, 250031 Jinan, China. 2 Research on 2013 stage doctoral student of TCM Orthopaedics, Shandong University of ...