@misc{indiciae2f4d61395647,
  title = {Manpower problems in echocardiography.},
  author = {H Feigenbaum},
  doi = {10.1016/s0894-7317(88)80020-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/3272789/},
  note = {Source identifier: 3272789}
}