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在你购买一把昂贵的小提琴之前,最好请一位放射学专家先行鉴定。在去年12月份举行的北美放射协会年会上发表的一份研究报告中斯蒂芬·阿瑟指出,电子X线体层照相技术(即CT)扫
Before you buy an expensive violin, it is best to ask a radiologist first identified. In a research report published at the annual meeting of the Radiological Society of North America in December last year, Stephen Arthur pointed out that the electron tomography (CT) scan