@misc{indiciaebb84f01b87eb,
  title = {The neuroendocrine system of the gastrointestinal tract.},
  author = {P U Heitz},
  year = {1979},
  doi = {10.1016/s0344-0338(79)80028-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/43507/},
  note = {Source identifier: 43507}
}