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Efficacy of Zoledronic Acid in Preventing Collapse of the Osteonecrotic Femoral Head

Seoul National University Bundang Hospital · 2009
ClinicalTrials.gov · Datasets · License: Public Domain · 2009
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The purpose of this study is to test the effect of zoledronic acid over 2 years in preventing early collapse and progression of joint dome depression (≥ 2 mm by X-ray) of the femoral head in patients with large (\> 30%: criteria according to Kim et al) nontraumatic osteonecrosis.
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