@misc{indiciaeeab6cee4fe81,
  title = {Changes in fundus reflex luminance with increased cognitive processing.},
  author = {P B Kruger},
  year = {1977},
  doi = {10.1097/00006324-197707000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/931010/},
  note = {Source identifier: 931010}
}