Although there is no cure for the common co1d , doctors believe that vitamins can help prevent them. (翻译)
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The attention to details assures you that the setting and service are as perfect as
B细胞分化发育成熟的场所是
A. 淋巴结
B. 骨髓
C. 胸腺
D. 肝
E. 脾
CT显示右上肺内3cm类圆形软组织密度结节,边缘浅分叶状,无毛刺,可见胸膜尾征,外侧可见钙化斑,病灶周围数个软组织密度小结节影,最可能的诊断是:()
A. 周围型肺癌
B. 结核球
C. 炎性假瘤
D. 球形肺不张
E. 非典型性肺炎