@misc{indiciaef5a16fd22569,
  title = {Whither cardiac work evaluation units?},
  author = {G A Hellmuth},
  year = {1969},
  doi = {10.1161/01.cir.39.3.283},
  url = {https://pubmed.ncbi.nlm.nih.gov/5766798/},
  note = {Source identifier: 5766798}
}