@misc{indiciaed010183d8aaa,
  title = {Individual (constitutional) differences in sleep patterns in rats.},
  author = {F Irmis and J Lat and T Radil-Weiss},
  year = {1974},
  doi = {10.1016/0005-7967(74)90121-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4429533/},
  note = {Source identifier: 4429533}
}