@misc{indiciaec990055800d0,
  title = {An expanded indication for coronary surgery.},
  author = {W D Johnson and K L Kayser},
  year = {1973},
  doi = {10.1016/s0003-4975(10)65805-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4721188/},
  note = {Source identifier: 4721188}
}