@misc{indiciae2cc274c18e18,
  title = {Classical conditioning in opiate dependence.},
  author = {C P O'Brien and R N Ehrman and J W Ternes},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6434985/},
  note = {Source identifier: 6434985}
}