@misc{indiciae5425a908af5d,
  title = {[4th World Congress on Gastrointestinal Endoscopy (June, 1978, Madrid)].},
  author = {R M Filimonov},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/41136/},
  note = {Source identifier: 41136}
}