@misc{indiciae41fc54c81803,
  title = {Opioids: similarity between evaluations of subjective effects and animal self-administration results.},
  author = {R R Griffiths and R L Balster},
  year = {1979},
  doi = {10.1002/cpt1979255part1611},
  url = {https://pubmed.ncbi.nlm.nih.gov/108042/},
  note = {Source identifier: 108042}
}