case-control association study 研究 ; 分析 Retrospective Case-Control study 研究 nested case-control study 巢式病例对照研究 ; 对照研究法 ; 照研究法 ; 病例对照研究法 ..
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retrospective nested case-control study 回顾性巢式病例对照研究
Methods Retrospective case-control study.
方法采用回顾性对照研究。
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First, it is a retrospective case-control study and is therefore susceptible to reporting bias, meaning that people with ALS may report their coffee consumption differently from controls.
FORBES: Does Coffee Drinking Really Protect Against Devastating Diseases?
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