@misc{indiciaed8fc17f30ce2,
  title = {Vitamin B12 absorption test.},
  author = {S N Arkun and I F Miller and L M Meyer},
  year = {1969},
  doi = {10.1159/000208871},
  url = {https://pubmed.ncbi.nlm.nih.gov/4982576/},
  note = {Source identifier: 4982576}
}