@misc{indiciaec9ad80df675d,
  title = {Flexible colonoscopy.},
  author = {H Shinya and W Wolff},
  year = {1976},
  doi = {10.1002/1097-0142(197601)37:1+<462::aid-cncr2820370710>3.0.co;2-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/1247977/},
  note = {Source identifier: 1247977}
}