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病例-对照研究
释义
病例-对照研究
Encyclopedia
理学
临床试验的自适应性设计
释
case-control study
病例-对照研究
比较一组患某病的病人(病例组)和一组未患此种病的人(对照组),过去暴露于某种或几种可疑病因因素的差异的一种流行病学调查的方法。又称回顾性研究。
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shape of colloid particles
shape of gas absorption spectrum line
shape of molecule
shape operator
shape optimization
shape parameter
shape perception
shape-preserving
shaper
shape recognition
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shape retrieval
shape selective catalysis
shape space and metric
shape theory
shape transition
shape variable
shaping
shaping and planing
shaping and planing tool
shaping approaches
Shapingba Qu
shaping circuit
Shapinggou porphyry molybdenum deposit
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