@misc{indiciaecfb9777ec046,
  title = {Training for flexible sigmoidoscopy.},
  author = {M A Bowman and D C Wherry},
  year = {1985},
  doi = {10.1016/s0016-5107(85)72212-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4043683/},
  note = {Source identifier: 4043683}
}