@misc{indiciae8b0495d34a2f,
  title = {Vitamin B12.},
  author = {V Herbert},
  year = {1981},
  doi = {10.1093/ajcn/34.5.971},
  url = {https://pubmed.ncbi.nlm.nih.gov/7234731/},
  note = {Source identifier: 7234731}
}