@misc{indiciae189c93ad608a,
  title = {Beware the pulsating swan.},
  author = {S C Cooper and M Desai and J B Alpern},
  year = {1990},
  doi = {10.1016/0888-6296(90)90294-p},
  url = {https://pubmed.ncbi.nlm.nih.gov/2132344/},
  note = {Source identifier: 2132344}
}