@misc{indiciaea1d860f05358,
  title = {Carefully controlled population survey.},
  author = {J G Muir},
  year = {1993},
  doi = {10.1007/bf01542562},
  url = {https://pubmed.ncbi.nlm.nih.gov/8239978/},
  note = {Source identifier: 8239978}
}