@misc{indiciaeaf6bee08f9fd,
  title = {More about yawning.},
  author = {Tsung O Cheng},
  year = {2006},
  doi = {10.1016/j.amjcard.2005.11.015},
  url = {https://pubmed.ncbi.nlm.nih.gov/16679102/},
  note = {Source identifier: 16679102}
}