Spine
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A retrospective, observational, and multicenter study. ⋯ 3.
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Retrospective study. ⋯ 3.
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Randomized Controlled Trial Comparative Study
Is Kiva implant advantageous to balloon kyphoplasty in treating osteolytic metastasis to the spine? Comparison of 2 percutaneous minimal invasive spine techniques: a prospective randomized controlled short-term study.
Prospective, parallel-group, controlled, comparative randomized study. ⋯ 1.
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A cross-sectional survey by anonymous self-assessment questionnaire was given to 3600 high school students from 30 high schools. ⋯ 3.