@misc{indiciae9f58ec603fb5,
  title = {Irrigating unit for gastrointestinal endoscopy.},
  author = {S Katz and P Sherlock and S Winawer},
  year = {1972},
  doi = {10.1016/s0016-5107(72)74077-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/5035186/},
  note = {Source identifier: 5035186}
}