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historical cohort study
释义
historical cohort study
Encyclopedia
医学
历史性队列研究
释
historical cohort study
历史性队列研究
研究开始时,待研究的结局已出现,根据研究者已掌握的在过去某时点(时期)进入队列时是否有暴露(如是否吸烟)或研究时间段内暴露的多少(如从进入队列到发病前累计的吸烟量)等相关资料进行研究对象分组的研究。又称回顾性队列研究、非即时性队列研究。
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electron-positron pair production
electronpositron pair production
electron-positron ring
electron pressure
electron probability density
electron probe analysis of mineral
electron probe micro analysis
electron probe micro-analysis
electron probe microanalysis
electron probe micro analysis (EPMA)
electron probe micro-analysis (EPMA)
electron probe microanalysis, EPMA
Electron Probe X-ray Microanalysis
electron probe X-ray microanalysis
electronprobe X-ray microanalysis
electron pumping
electron rest frame
electron rest mass
electron rich
electron rich [system]
electron rich system
Electrons and Holes in Semiconductors
electron saturation current
electrons bombard active pixel sensor
electron scattering
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