@misc{indiciae9508c1159848,
  title = {[Device for roentgenoendoscopy].},
  author = {F A Astrakhantsev and V I Gordon and E G Chikirdin and S M Stol'tser and I N Maktaz},
  url = {https://pubmed.ncbi.nlm.nih.gov/4703946/},
  note = {Source identifier: 4703946}
}