The technique of free handinsertion with the lateral mass screw of atlas and vertebra dentata pedicle screw is simple, fixation is reliability and is well worth to spreading.
寰椎侧块螺钉与枢椎椎弓根螺钉徒手植入技术简单、可靠,值得推广。
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The stuffing is usually blown into the stuffed toy by a machine, but the insertion point is closed by hand.