@misc{indiciae59f40c2f5035,
  title = {Gastrointestinal intraluminal pH.},
  author = {D J Frommer},
  year = {1991},
  doi = {10.1136/gut.32.9.1087},
  url = {https://pubmed.ncbi.nlm.nih.gov/1916498/},
  note = {Source identifier: 1916498}
}