@misc{indiciae06f30239105e,
  title = {Affectivity in cocaine and opiate abusers.},
  author = {D S Keller and A Wilson},
  year = {1994},
  doi = {10.1080/00332747.1994.11024698},
  url = {https://pubmed.ncbi.nlm.nih.gov/7899528/},
  note = {Source identifier: 7899528}
}