@misc{indiciaeeeb95ecef667,
  title = {Changes in chest radiograph after aortic valve replacement.},
  author = {M S Gotsman and W Beck and C N Barnard and V Schrire},
  year = {1968},
  doi = {10.1136/hrt.30.2.219},
  url = {https://pubmed.ncbi.nlm.nih.gov/4230600/},
  note = {Source identifier: 4230600}
}