@misc{indiciaebdb5fa2fb80b,
  title = {Temporal parameters of negative visual hallucination.},
  author = {G S Blum and M L Porter and P J Geiwitz},
  year = {1978},
  doi = {10.1080/00207147808414461},
  url = {https://pubmed.ncbi.nlm.nih.gov/631942/},
  note = {Source identifier: 631942}
}