炫速双源CT与普通双源CT头部血管双能量成像辐射剂量与图像质量的对比研究
현속쌍원CT여보통쌍원CT두부혈관쌍능량성상복사제량여도상질량적대비연구
Comparative study on the image quality and the radiation dose of dual energy CT intracranial angiography with the first and second generation dual-source CT
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