@misc{indiciae74e38edc6558,
  title = {Neurophysiological "markers"--EEG sleep measures.},
  author = {D J Kupfer},
  year = {1984},
  doi = {10.1016/0022-3956(84)90034-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/6512713/},
  note = {Source identifier: 6512713}
}