@misc{indiciaea2196397cebb,
  title = {A complex growth factor in duodenal tissue.},
  author = {C J Ackerman},
  year = {1966},
  doi = {10.1093/jn/89.3.347},
  url = {https://pubmed.ncbi.nlm.nih.gov/5913942/},
  note = {Source identifier: 5913942}
}