@misc{indiciae73110f3e9c34,
  title = {Tracking regional endoscopy activity.},
  author = {Antonio Grassi},
  year = {2002},
  doi = {10.1067/mge.2001.119222},
  url = {https://pubmed.ncbi.nlm.nih.gov/11818946/},
  note = {Source identifier: 11818946}
}