@misc{indiciae05b5b4cb52cc,
  title = {Psychedelic drug flashbacks: subjective reports and biographical data.},
  author = {R E Matefy and C Hayes and J Hirsch},
  year = {1978},
  doi = {10.1016/0306-4603(78)90015-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/735901/},
  note = {Source identifier: 735901}
}