@misc{indiciae8373a65dec06,
  title = {Meta-analysis confounded.},
  author = {P M Stell},
  year = {1992},
  doi = {10.1016/0140-6736(92)90913-n},
  url = {https://pubmed.ncbi.nlm.nih.gov/1347131/},
  note = {Source identifier: 1347131}
}