@misc{indiciae7706495f8308,
  title = {Is routine pre-operative electrocardiogram necessary?},
  author = {T Yipintsoi and P Vasinanukorn and P Sanguanchua},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2723562/},
  note = {Source identifier: 2723562}
}