Objective To investigate the scanning technology of computedtomography angiography(CTA) of intracranial and cervical arteries.
目的探讨多排螺旋CT头颈联合CTA扫描最佳扫描技术。
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The team also gathered computedtomography and scanning electron microscope analyses of woodpecker skulls, laying out in detail how the parts fit together and where bone density varied.