Methods 50 dry atlas and axis specimens were used to measure anatomic data relative to atlas pedicle screw placement technique with an electronic digital caliper.

方法：配套干燥寰枢椎标本50套，用电子游标卡尺测量与进钉技术相关的解剖学数据。

youdao

Method:40dry atlas specimens were used to measure anatomic data relative to screw placement technique with an electronic digital caliper and a goniometer.

方法：用电子游标卡尺和量角器对40例干燥寰椎标本测量与进钉技术相关的解剖学数据。

youdao

Method:40dry atlas specimens were used to measure anatomic data relative to screw placement technique with an electronic digital caliper and a goniometer.

方法：用电子游标卡尺和量角器对40例干燥寰椎标本测量与进钉技术相关的解剖学数据。

youdao