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Unverified88% confidenceDecision RuleTime unknown

做系统综述(Systematic Review)时不能只依赖单一引擎,PRISMA 规范要求至少检索 2-3 个数据库(如 PubMed + Embase + Cochrane),因为各库收录期刊有 30%-40% 不重叠

1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen

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