@misc{indiciaeedde1ec547e5,
  title = {Flexible endoscopes: structure and function. The suction and biopsy channel.},
  author = {P Holland},
  doi = {10.1097/00001610-200105000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/11847860/},
  note = {Source identifier: 11847860}
}