@misc{indiciae6c19661cd50f,
  title = {Alpha blocking during visual after-images.},
  author = {P Eberlin and D Yager},
  year = {1968},
  doi = {10.1016/0013-4694(68)90082-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4174779/},
  note = {Source identifier: 4174779}
}