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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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traction electric network
traction fibre
traction lift
traction motor
traction of fracture
traction power supply system of high speed maglev train
traction power supply system of medium and low speed maglev train
traction relief
traction substation
traction system
traction transformer
tractive chain conveyor
tractive force
tractive force of train
Tract of the Quiet Way of the Thearch Lord Wenchang
tractometer
tractor
tractor airscrew
tractor and semi-trailer
tractor feeder
tractor skidding
tractory
tractricoid
tractrisoid
tractrix
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