@misc{indiciae909b81ddc1b6,
  title = {Conceptual developments through colonoscopy.},
  author = {T R Schrock},
  year = {1988},
  doi = {10.1007/bf00705330},
  url = {https://pubmed.ncbi.nlm.nih.gov/3242146/},
  note = {Source identifier: 3242146}
}