@misc{indiciae6897ea703659,
  title = {Exercise tolerance test: the decision to refer.},
  author = {K Grauer},
  year = {1993},
  doi = {10.1001/archfami.2.12.1221},
  url = {https://pubmed.ncbi.nlm.nih.gov/8130899/},
  note = {Source identifier: 8130899}
}