@misc{indiciae234391cd6e7a,
  title = {Altitude--a coach's conclusions.},
  author = {D Watts},
  year = {1974},
  doi = {10.1136/bjsm.8.1.30},
  url = {https://pubmed.ncbi.nlm.nih.gov/4462947/},
  note = {Source identifier: 4462947}
}