bibliographic entry 11548757 [be/11548757]
https://w3id.org/oc/corpus/be/11548757
is a
bibliographic reference
content
Egger, M, Davey Smith, G, Schneider, M. Bias in meta-analysis detected by a simple, graphical test. BMJ 1997; 315: 629â634. PMID: 9310563
references
https://w3id.org/oc/corpus/br/6110