@misc{indiciae6af9d43d0108,
  title = {[Principles and methods for examining proctology patients].},
  author = {K M Lisitsyn and V P Petrov and A A Protasevich},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3750914/},
  note = {Source identifier: 3750914}
}