@misc{indiciaeff3d8dd43b61,
  title = {A radiometric microbiologic method for vitamin B12 assay.},
  author = {M F Chen and P A McIntyre and H N Wagner},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/845669/},
  note = {Source identifier: 845669}
}