@misc{indiciae10398211afd8,
  title = {Colonoscopy.},
  author = {G M Yukhvidova and O J Zinoviev and N V Prokopenko and A F Tikhonova and I A Smotrova and G D Gorokhova},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4743821/},
  note = {Source identifier: 4743821}
}