@misc{indiciaeaca23cd6f12c,
  title = {Factors affecting human bile pH.},
  author = {R Usui and H Ise and N Suzuki and S Matsuno},
  year = {1991},
  doi = {10.1007/bf02782830},
  url = {https://pubmed.ncbi.nlm.nih.gov/1916164/},
  note = {Source identifier: 1916164}
}