@misc{indiciae89ceb1f335a7,
  title = {Swimming in cold water.},
  author = {W R Keatinge},
  year = {1969},
  doi = {10.1136/bmj.2.5650.185-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5778945/},
  note = {Source identifier: 5778945}
}