@misc{indiciaec96907793302,
  title = {Circadian rhythms.},
  author = {R E Mitchell},
  year = {1968},
  doi = {10.1080/00325481.1968.11693432},
  url = {https://pubmed.ncbi.nlm.nih.gov/4886384/},
  note = {Source identifier: 4886384}
}