@misc{indiciae350884abddcf,
  title = {Change viewed on the level.},
  author = {A Hofman},
  year = {1983},
  doi = {10.1093/ije/12.4.391},
  url = {https://pubmed.ncbi.nlm.nih.gov/6654557/},
  note = {Source identifier: 6654557}
}