@misc{indiciae0b771494639a,
  title = {Nicotine self-administration.},
  author = {K A Perkins},
  year = {1999},
  doi = {10.1080/14622299050011951},
  url = {https://pubmed.ncbi.nlm.nih.gov/11768171/},
  note = {Source identifier: 11768171}
}