Fig. 1

Anteroposterior radiographs (postoperation) for the treatment of GHOA. a resurfacing hemiarthroplasty (RHA); b stemmed hemiarthroplasty (SHA)
Anteroposterior radiographs (postoperation) for the treatment of GHOA. a resurfacing hemiarthroplasty (RHA); b stemmed hemiarthroplasty (SHA)