@misc{indiciae946c3bba0129,
  title = {Exploring bias in a generalized additive model for spatial air pollution data.},
  author = {Timothy Ramsay and Richard Burnett and Daniel Krewski},
  year = {2003},
  doi = {10.1289/ehp.6047},
  url = {https://pubmed.ncbi.nlm.nih.gov/12896847/},
  note = {Source identifier: 12896847}
}