@misc{indiciae508159152dcb,
  title = {[Duplex rectum].},
  author = {A M Koplatadze and A M Nikitin and A A Protasevich},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/904201/},
  note = {Source identifier: 904201}
}