@misc{indiciaec2c7194a598c,
  title = {[Upper gastrointestinal endoscopy. Gasometric changes].},
  author = {A J Martínez Conde and L A Bermudez Gomez and M M Khassale Mardelli},
  url = {https://pubmed.ncbi.nlm.nih.gov/8112546/},
  note = {Source identifier: 8112546}
}