bibliographic entry 11548757 [be/11548757]
https://w3id.org/oc/corpus/be/11548757

is a
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  • Egger, M, Davey Smith, G, Schneider, M. Bias in meta-analysis detected by a simple, graphical test. BMJ 1997; 315: 629–634. PMID: 9310563
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