[KongchangAI]
Unverified50% confidenceFactExact time

牛津大学循证医学中心将证据分为五级,系统综述与Meta分析位于顶端,专家意见和个案报告处于最底层

1
Sources
50%
Confidence
Long-term
Relevance
7/20/2026
First Seen

Sources

Related Claims

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Stable URI
https://kongchang.com/claim/572972
API
curl https://kongchang.com/api/v1/knowledge/claims/572972
MCP
get_claim(id=572972)