@misc{indiciae4d4c4fc104ac,
  title = {Monitoring value for extra money.},
  author = {David Sharp},
  year = {2003},
  doi = {10.1093/jurban/jtg054},
  url = {https://pubmed.ncbi.nlm.nih.gov/12930874/},
  note = {Source identifier: 12930874}
}