@misc{indiciae25e44dc2b922,
  title = {A twelve-hour schedule experiment.},
  author = {A D Cales},
  year = {1976},
  doi = {10.1097/00006247-197606000-00017},
  url = {https://pubmed.ncbi.nlm.nih.gov/1046772/},
  note = {Source identifier: 1046772}
}