@misc{indiciae0e528f9b0346,
  title = {Sudden unexpected death on challenge courses.},
  author = {Thomas R Welch and Robert Ryan},
  year = {2002},
  doi = {10.1580/1080-6032(2002)013[0140:sudocc]2.0.co;2},
  url = {https://pubmed.ncbi.nlm.nih.gov/12092968/},
  note = {Source identifier: 12092968}
}