@misc{indiciaedd1ccb6ed38f,
  title = {Exercise two-dimensional echocardiography and Doppler assessment of left ventricular function.},
  author = {T H Marwick and E E Salcedo and W J Stewart},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/10147607/},
  note = {Source identifier: 10147607}
}