@misc{indiciae4a2cf09ee417,
  title = {A device for measuring myocardial contractility.},
  author = {A H Goodman and J A Angus and R Einstein and L B Cobbin},
  year = {1972},
  doi = {10.1007/bf02474196},
  url = {https://pubmed.ncbi.nlm.nih.gov/4342361/},
  note = {Source identifier: 4342361}
}