@misc{indiciae18cdb8542aa3,
  title = {Experimental endoscopy.},
  author = {W H Mahood},
  year = {1971},
  doi = {10.1016/s0016-5107(71)74038-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/5129981/},
  note = {Source identifier: 5129981}
}