@misc{indiciae5c047fc89e5c,
  title = {Meta-analysis. Unresolved issues and future developments.},
  author = {G Davey Smith and M Egger},
  year = {1998},
  doi = {10.1136/bmj.316.7126.221},
  url = {https://pubmed.ncbi.nlm.nih.gov/9468698/},
  note = {Source identifier: 9468698}
}