@misc{indiciaedfb7adfe177e,
  title = {[Myocardial performance and valvular surgery].},
  author = {H Koie and A Sugitani and K Kusuhara and R Muraoka and Y Konishi},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4738480/},
  note = {Source identifier: 4738480}
}