@misc{indiciae07130d739ce4,
  title = {Ultradian rhythms in human performance.},
  author = {G G Globus and R L Drury and E C Phoebus and R Boyd},
  year = {1971},
  doi = {10.2466/pms.1971.33.3f.1171},
  url = {https://pubmed.ncbi.nlm.nih.gov/4334199/},
  note = {Source identifier: 4334199}
}