T1加权像，比肝脏信号高的病变是哪个（） A.单纯性肝囊肿 B.转移性肝癌 C.肝 发布时间：2017-05-19 19:23 │ 来源：www.tikuol.com 题型：单项选择题 问题： T1加权像，比肝脏信号高的病变是哪个（） A.单纯性肝囊肿B.转移性肝癌C.肝脏脂肪瘤D.肝脏血管瘤E.肝脓肿
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题型：单项选择题 流行病学定义的基本内涵不包括（）A.它只研究各种传染病B.不仅研究各种疾病，而且研究健康状态和事件C.研究疾病和健康状态和事件的分布D.为预防控制疾病和促进健康提供科学的决策依据E.研究对象是人群 查看答案