@misc{indiciaef13bba451aa1,
  title = {[Clinically asymptomatic aortic valve defects].},
  author = {L Di Guglielmo and V Baldrighi and P Bobba and G Baldrighi},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5743846/},
  note = {Source identifier: 5743846}
}