@misc{indiciae274ab9ee68bc,
  title = {[pH-metry of the digestive tract--problems in data analysis].},
  author = {T Frieling and H Lübke and H J Trampisch and M Wienbeck},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3811444/},
  note = {Source identifier: 3811444}
}