@misc{indiciae6fb82bdcded8,
  title = {Endocardial viability ratio.},
  author = {P A Philips},
  year = {1977},
  doi = {10.1016/s0003-4975(10)63734-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/879901/},
  note = {Source identifier: 879901}
}