@misc{indiciae1d2637c757a9,
  title = {Eliminating versus reducing smoking using pocket timers.},
  author = {H S Bernard and J S Efran},
  year = {1972},
  doi = {10.1016/0005-7967(72)90063-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4637496/},
  note = {Source identifier: 4637496}
}