@misc{indiciae3d864830813b,
  title = {Further progress in colonoscopy.},
  author = {Y Sakai},
  year = {1974},
  doi = {10.1016/s0016-5107(74)73913-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4825159/},
  note = {Source identifier: 4825159}
}