@misc{indiciae18aa9a5b1008,
  title = {An exercise test in intermittent claudication.},
  author = {L McDONALD and R SEMPLE},
  year = {1952},
  doi = {10.1136/hrt.14.1.91},
  url = {https://pubmed.ncbi.nlm.nih.gov/14904820/},
  note = {Source identifier: 14904820}
}