@misc{indiciaeb980950284d2,
  title = {Aortic root endoscopy in valve-sparing operations.},
  author = {T Itoh and S Ohtsubo and K Furukawa and H Norita},
  year = {1997},
  doi = {10.1016/s0022-5223(97)70132-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9240309/},
  note = {Source identifier: 9240309}
}