@misc{indiciaeadc61965f447,
  title = {Congenital aortic valvular stenosis.},
  author = {M CAMPBELL and R KAUNTZE},
  year = {1953},
  doi = {10.1136/hrt.15.2.179},
  url = {https://pubmed.ncbi.nlm.nih.gov/13041997/},
  note = {Source identifier: 13041997}
}