@misc{indiciae04f309dbf878,
  title = {How close is close enough--how close is safe enough.},
  author = {Heinz Kaiser and Michael Neuburger},
  doi = {10.1053/rapm.2002.30710},
  url = {https://pubmed.ncbi.nlm.nih.gov/11915079/},
  note = {Source identifier: 11915079}
}