@misc{indiciae917dd0ac4918,
  title = {Present and future developments in endoscopy.},
  author = {G Berci},
  year = {1977},
  doi = {10.1098/rspb.1977.0002},
  url = {https://pubmed.ncbi.nlm.nih.gov/13390/},
  note = {Source identifier: 13390}
}