@misc{indiciae2917c6b2852c,
  title = {Relapse to cocaine use: conceptual issues.},
  author = {B E Havassy and D A Wasserman and S M Hall},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8289898/},
  note = {Source identifier: 8289898}
}