@misc{indiciae61e7891c592c,
  title = {[Intestinal function tests].},
  author = {J Keller and P Layer},
  year = {2005},
  doi = {10.1024/0369-8394.94.37.1433},
  url = {https://pubmed.ncbi.nlm.nih.gov/16193906/},
  note = {Source identifier: 16193906}
}