体层摄影术，X线计算机；下肢动脉成像；质量控制；动脉狭窄；血管造影术。
Tomography; Xray computer; Lower extremity artery imaging; Quality control; Artery stenosis; Digital Subtraction Angiography.
体层摄影术，X线计算机；下肢动脉成像；质量控制；动脉狭窄；血管造影术。
Tomography; Xray computer; Lower extremity artery imaging; Quality control; Artery stenosis; Digital Subtraction Angiography.
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