@misc{indiciae047f4a4d25b5,
  title = {Office procedures. Flexible sigmoidoscopy.},
  author = {M B Harper and J B Pope},
  year = {1997},
  doi = {10.1016/s0095-4543(05)70397-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/9174043/},
  note = {Source identifier: 9174043}
}