@misc{indiciae8b164e11488c,
  title = {Current concepts: pancreatic extracts.},
  author = {A Littman and D H Hanscom},
  year = {1969},
  doi = {10.1056/nejm196907242810406},
  url = {https://pubmed.ncbi.nlm.nih.gov/4892805/},
  note = {Source identifier: 4892805}
}