@misc{indiciae33fd7e17536c,
  title = {When is zero zero?},
  author = {Siu Fai Li},
  year = {2004},
  doi = {10.1016/j.annemergmed.2003.09.029},
  url = {https://pubmed.ncbi.nlm.nih.gov/15259165/},
  note = {Source identifier: 15259165}
}