目的探讨团注追踪法在下肢动脉造影中的应用价值。
Objective To investigate the application value of bolus chase method in lower extremity angiography.
目的：探讨二氧化碳作下肢动脉造影的临床应用价值。
Parpose: To study the clinical application of arteriography for lower extremity with CO_2.
目的探讨互动式造影剂追踪技术在下肢动脉造影中的应用价值。
Objective To study the value of lower limb angiography with bolus chase technique.
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