1Cornell C N,Levine D,O'Doherty J,et al.Unipolar versus bipolar hemiarthroplasty for the treatment of femoral neck fractures in the elderly[J].Clin Orthop Relat Res,1998,348:67-71.
2Kenzora J E,Magaziner J,Hudson J,et al.Outcome after hemiarthroplasty for femoral neck fractures in the elderly[J].Clin Orthop Relat Res,1998,348:51 -58.
3Ravikumar K J,Marsh G.Internal fixation versus hemiarthroplasty versus total hip arthroplasty for displaced subcapital fractures of femur 13 year results of a prospective randomised study[J].Injury,2000,31:793 -797.
4Greenough C G,Jones J R.Primary total hip replacements for displaced subcapital fractures of the femur[J].J Bone Joint Surg Br,1988,70:639-643.