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临床试验:30%hadafirst-degreefamilymemberwithprematurecoronaryheartdisease.意思?是指30%的患者的病史.尤其是hadafirst-degreefamilymember

题目详情
临床试验:30% had a first-degree family member with premature coronary heart disease.意思?
是指30%的患者的病史.尤其是had a first-degree family member
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答案和解析
30%的一等亲都有早发冠心病.(查了半天,显示的都是一等亲的意思)
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