Unverified50% confidenceFactExact time
随机对照试验的现代形态可追溯至1948年英国医学研究委员会对链霉素治疗肺结核的临床试验，由统计学家奥斯汀·布拉福德·希尔主持设计
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
In Praise of Observational Evidence: When Randomized Controlled Trials Can't Answer Everything
hackernewshackernews7/1/2026
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