[KongchangAI]
Unverified50% confidenceFactExact time

1990年代兴起的循证医学运动确立了以系统综述和RCT为顶端的证据层级金字塔

1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/241645
API
curl https://kongchang.com/api/v1/knowledge/claims/241645
MCP
get_claim(id=241645)