自制脊柱撑开复位器治疗骨质疏松性椎体压缩骨折临床对照试验
자제척주탱개복위기치료골질소송성추체압축골절림상대조시험
A clinical trial on the treatment of compression fradrare of osteoporotlc vertebral body by self-made spinal expander
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