@misc{indiciae8b7d5e231f4a,
  title = {[ECG studies during esophagogastroduodenoscopy].},
  author = {J Libor and G Pocsai and J Iványi},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/878532/},
  note = {Source identifier: 878532}
}