@misc{indiciae7fd1fe446128,
  title = {Exercise echocardiography.},
  author = {K L Richards},
  year = {1988},
  doi = {10.1016/s0735-1097(98)90057-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/3356823/},
  note = {Source identifier: 3356823}
}