@misc{indiciae70edde95be26,
  title = {Differences between M-mode and two-dimensional echocardiography.},
  author = {D Thys and Z Hillel},
  year = {1988},
  doi = {10.1097/00000542-198804000-00040},
  url = {https://pubmed.ncbi.nlm.nih.gov/3354912/},
  note = {Source identifier: 3354912}
}