@misc{indiciaea4ae96d36555,
  title = {Monitoring oesophageal pH.},
  author = {M Atkinson},
  year = {1987},
  doi = {10.1136/gut.28.5.509},
  url = {https://pubmed.ncbi.nlm.nih.gov/3596331/},
  note = {Source identifier: 3596331}
}