@misc{indiciae15ec686a06e6,
  title = {Vitamin B12.},
  author = {E L SMITH},
  year = {1956},
  doi = {10.1093/oxfordjournals.bmb.a069516},
  url = {https://pubmed.ncbi.nlm.nih.gov/13284304/},
  note = {Source identifier: 13284304}
}