@misc{indiciaeb2bb02fd2f4b,
  title = {Mountain-climbing safety.},
  author = {B G FERRIS},
  year = {1963},
  doi = {10.1056/nejm196303212681207},
  url = {https://pubmed.ncbi.nlm.nih.gov/13944928/},
  note = {Source identifier: 13944928}
}