“流行病学实验研究”的概念、定义、翻译、参考文献-科学参考

单词	流行病学实验研究
释义	流行病学实验研究 Encyclopedia 医学流行病学实验研究释 epidemiological experimental study流行病学实验研究将研究人群（病人或正常人）随机分为实验组和对照组，研究者对实验组人群施加或除去某种干预措施后，随访观察一段时间并比较两组人群疾病或健康状态的改变，对比分析实验组与对照组之间结局的差别，以验证研究假设和考核干预措施效果的一种实验方法。又称实验流行病学、干预研究等。
随便看	protocol independent multicast-sparse mode, PIM-SM protocol models and specification language Protocol of Amendment to the Inter-American Treaty of Reciprocal Assistance (rio Treaty) Protocol of Interference with the Pollution of Non-oil Substances in the High Seas protocol of meditation hall Protocol on the accession of the People's Republic China Protocol on the Law Applicable to Maintenance Obligations Protocol Relating to Madrid Agreement Concerning the International Registration of Marks Protocol Relating to the Status of Refugees protocol stack protocol statement Protocol to Amend the International Convention for the Unification of Certain Rules of Law Relating to Bills of Lading protocol translator protoconch protocone/protoconid protocorm protoderm protodiastole proto-disk proto-earth protoecium protoecium disc protoform protogalactic cloud protogalactic object

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