@misc{indiciaedfe9afcc02d2,
  title = {Neighborhood-based differences in physical activity: an environment scale evaluation.},
  author = {Brian E Saelens and James F Sallis and Jennifer B Black and Diana Chen},
  year = {2003},
  doi = {10.2105/ajph.93.9.1552},
  url = {https://pubmed.ncbi.nlm.nih.gov/12948979/},
  note = {Source identifier: 12948979}
}