@misc{indiciae3834c8bc24dd,
  title = {Delta component variations in human sleep electroencephalogram.},
  author = {E Koga},
  year = {1977},
  doi = {10.1111/j.1440-1819.1977.tb00134.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/608665/},
  note = {Source identifier: 608665}
}