@misc{indiciaef6e533806a2f,
  title = {Understanding the gastrointestinal system. Part 2.},
  author = {E A Harald and K Kaufman},
  year = {1994},
  doi = {10.1097/00152193-199408000-00035},
  url = {https://pubmed.ncbi.nlm.nih.gov/8084571/},
  note = {Source identifier: 8084571}
}