@misc{indiciaef38342601e5b,
  title = {Transanal endoscopic microsurgery.},
  author = {E J R de Graaf},
  year = {2003},
  doi = {10.1080/00855920310002672},
  url = {https://pubmed.ncbi.nlm.nih.gov/14743881/},
  note = {Source identifier: 14743881}
}