@misc{indiciae7d254cf3a2dd,
  title = {Was Plotinus influenced by opium?},
  author = {F R Jevons},
  year = {1965},
  doi = {10.1017/s0025727300031021},
  url = {https://pubmed.ncbi.nlm.nih.gov/5323154/},
  note = {Source identifier: 5323154}
}