bibliographic entry 4418724 [be/4418724]
https://w3id.org/oc/corpus/be/4418724

is a

• bibliographic reference

content

• Egger M, Davey Smith G, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. BMJ 1997; 315: 629-34. doi:10.1136/bmj.315.7109.629. pmid:9310563. PMID: 9310563

references

• https://w3id.org/oc/corpus/br/6110