Methods Using CT performance phantom, dose phantom and X-ray dose survey meter to test all specifications of CT performance that were demanded by the state regulations.
方法使用性能检测模型、剂量模型、剂量仪，按照卫生部规范对CT性能指标逐项检测分析。
Objective To explore the diagnostic performance of 64-slice spiral ct combined with exercise treadmill test for coronary artery disease.
目的评价64层螺旋CT联合平板运动试验对冠心病的诊断价值。
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