@misc{indiciae82cc011a1fde,
  title = {Conceptual and technical considerations when combining large data sets.},
  author = {A J Orsi and M Grey and M M Mahon and H J Moriarty and M P Shepard and R M Carroll},
  year = {1999},
  doi = {10.1177/01939459922043785},
  url = {https://pubmed.ncbi.nlm.nih.gov/11512172/},
  note = {Source identifier: 11512172}
}