@misc{indiciaeb7368c54d560,
  title = {Changes in the QRS complex after aortic valve replacement.},
  author = {F Follath and W R Ginks},
  year = {1972},
  doi = {10.1136/hrt.34.6.553},
  url = {https://pubmed.ncbi.nlm.nih.gov/5040255/},
  note = {Source identifier: 5040255}
}