@misc{indiciae9a2668c27211,
  title = {Quadricuspid aortic valve.},
  author = {S M Divakaramenon and K Venugopal},
  year = {2005},
  doi = {10.1136/hrt.2004.039289},
  url = {https://pubmed.ncbi.nlm.nih.gov/15710702/},
  note = {Source identifier: 15710702}
}