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【单选题】
下列哪条不是流行病学实验的目的
A.
检验和评价干预措施(含临床和预防)的效果
B.
评价治疗药物或方法对解除病痛,提高生存率的效果
C.
评价干预措施实施后对预防疾病发生的作用
D.
评价新疫苗对预防某种传染病发生的效果
E.
评价自动戒烟对降低某些疾病发生和死亡的效果
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