@misc{indiciaedcaf7a300bf0,
  title = {Letter: Impending heart-attacks.},
  author = {T Bassler and J Scaff},
  year = {1976},
  doi = {10.1016/s0140-6736(76)90340-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/55823/},
  note = {Source identifier: 55823}
}