Most importantly, observational studies cannot distinguish indicators of risk from causal factors.
最为重要的是观察性研究无法区分风险指标和偶然因素。
Exploring causal associations between alcohol and coronary heart disease risk factors: findings from a Mendelian randomization study in the Copenhagen General Population study.
【译】探索酒精和冠心病危险因素之间的因果联系：在哥本哈根的总人口研究从孟德尔随机化的研究。
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