@misc{indiciae681e10e94ea2,
  title = {A method to avoid annular downsizing during knot tying.},
  author = {Francesco Maisano and Andrea Blasio and Alessandro Caldarola and Carlo Savini and Ottavio Alfieri},
  year = {2004},
  doi = {10.1016/j.athoracsur.2003.08.033},
  url = {https://pubmed.ncbi.nlm.nih.gov/15464532/},
  note = {Source identifier: 15464532}
}