@misc{indiciaec90c37d06841,
  title = {Processing equipment for two-dimensional echocardiographic data.},
  author = {J A Vogel and C Ligtvoet and N Bom and G van Zwieten and P G Hugenholtz},
  year = {1976},
  doi = {10.1016/0301-5629(76)90034-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/793125/},
  note = {Source identifier: 793125}
}