@misc{indiciaea81a4879690a,
  title = {Introduction.},
  author = {Harry Büller and Giancarlo Agnelli},
  year = {2005},
  doi = {10.1159/000083077},
  url = {https://pubmed.ncbi.nlm.nih.gov/15812197/},
  note = {Source identifier: 15812197}
}