@misc{indiciae02d7d6461fcb,
  title = {Experimental studies of shift-work. 3. Stabilized 12-hour shift system.},
  author = {W P Colquhoun and M J Blake and R S Edwards},
  year = {1969},
  doi = {10.1080/00140136908931104},
  url = {https://pubmed.ncbi.nlm.nih.gov/5378406/},
  note = {Source identifier: 5378406}
}