@misc{indiciae2ba7d27726f7,
  title = {Echocardiography.},
  author = {C R Joyner},
  year = {1975},
  doi = {10.1016/0002-8703(75)90419-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/126014/},
  note = {Source identifier: 126014}
}