@misc{indiciae7889cb0d5d09,
  title = {Threats to population-based research.},
  author = {S E Gabriel},
  year = {1997},
  doi = {10.1097/00002281-199703000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/9135909/},
  note = {Source identifier: 9135909}
}