@misc{indiciae631ec58311fc,
  title = {A useful tool during endoscopic resection.},
  author = {R R ESPINOSA},
  year = {1957},
  doi = {10.1016/0002-9610(57)90752-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/13372933/},
  note = {Source identifier: 13372933}
}