@misc{indiciae76938dbc6cef,
  title = {External counter-pulsation in power failure.},
  author = {H S Soroff and C T Cloutier and L A Begley and R L Norton and W C Birtwell},
  year = {1975},
  doi = {10.1159/000397673},
  url = {https://pubmed.ncbi.nlm.nih.gov/1155239/},
  note = {Source identifier: 1155239}
}