结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
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