@misc{indiciae3fe3c4bf0dd0,
  title = {Endoscopy under gnotobiotic conditions: a unique experience.},
  author = {D Y Graham and W J Klish and G D Ferry and B B Holcome},
  year = {1978},
  doi = {10.1016/s0016-5107(78)73551-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/730010/},
  note = {Source identifier: 730010}
}