@misc{indiciae3b4349ac06ae,
  title = {A new ventricular-performance variable using electrocardiogram and carotid pulse contour derivative.},
  author = {M A Frey and R M Siervogel},
  year = {1981},
  doi = {10.1536/ihj.22.313},
  url = {https://pubmed.ncbi.nlm.nih.gov/7265459/},
  note = {Source identifier: 7265459}
}