@misc{indiciae2bce35f7e6f0,
  title = {Individual differences in difficulty quitting smoking.},
  author = {P Hajek},
  year = {1991},
  doi = {10.1111/j.1360-0443.1991.tb01807.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1859918/},
  note = {Source identifier: 1859918}
}