@misc{indiciaecc3e6adffbe0,
  title = {Validation of computer analysed polygraphic patterns during drowsiness and sleep onset.},
  author = {J Hasan and K Hirvonen and A Värri and V Häkkinen and P Loula},
  year = {1993},
  doi = {10.1016/0013-4694(93)90118-f},
  url = {https://pubmed.ncbi.nlm.nih.gov/7691539/},
  note = {Source identifier: 7691539}
}