@misc{indiciaefc0a8a3887ac,
  title = {Fiberoptic gastrointestinal endoscopy in the aged.},
  author = {J W Manier},
  year = {1977},
  doi = {10.1016/s0016-5107(77)73623-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/838245/},
  note = {Source identifier: 838245}
}