@misc{indiciae7d33db356855,
  title = {[Hypoplastic aortic valve ring. Surgical considerations].},
  author = {C Marcelletti and L Ferrini and A Palminiello},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/598631/},
  note = {Source identifier: 598631}
}