@misc{indiciaec45831be20f1,
  title = {Home smoking restrictions. Problems in classification.},
  author = {Elizabeth A Mumford and David T Levy and Eduardo O Romano},
  year = {2004},
  doi = {10.1016/j.amepre.2004.04.001},
  url = {https://pubmed.ncbi.nlm.nih.gov/15261899/},
  note = {Source identifier: 15261899}
}