@misc{indiciae050355e0e801,
  title = {William B. Castle and intrinsic factor.},
  author = {L Kass},
  year = {1978},
  doi = {10.7326/0003-4819-89-6-983},
  url = {https://pubmed.ncbi.nlm.nih.gov/363011/},
  note = {Source identifier: 363011}
}