全髋关节和双极人工股骨头置换术用于老年股骨颈骨折治疗的对比观察
전관관절화쌍겁인공고골두치환술용우노년고골경골절치료적대비관찰
Comparative Study of Total Hip and Bipolar Hemiarthroplasty in Treatment of Femoral Neck Fracture Surgery