@misc{indiciae75dda681ab06,
  title = {Echocardiography.},
  author = {A McLeod},
  year = {1988},
  doi = {10.1136/bmj.297.6663.1609},
  url = {https://pubmed.ncbi.nlm.nih.gov/3147095/},
  note = {Source identifier: 3147095}
}