@misc{indiciaedaf59dc0e0ad,
  title = {Vitamin b-12 deficiency.},
  author = {M B Cohen},
  year = {1981},
  doi = {10.1016/s0001-2998(81)80008-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/7280704/},
  note = {Source identifier: 7280704}
}