@misc{indiciae524d6c5d926a,
  title = {[Colonoscopy].},
  author = {L M Ivanova and G M Iukina and N P Veshchanova},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1145453/},
  note = {Source identifier: 1145453}
}