@misc{indiciaef0bf21e70c9d,
  title = {Calcification in aging canine aortic valve.},
  author = {K M Kim and S H Chang and B F Trump and H Spurgeon},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3798017/},
  note = {Source identifier: 3798017}
}