@misc{indiciae40066a5a18c3,
  title = {The study of left ventricular function by M-mode echocardiography.},
  author = {D G Gibson},
  year = {1979},
  doi = {10.1111/j.0954-6820.1979.tb01091.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/286524/},
  note = {Source identifier: 286524}
}