@misc{indiciae762bd1d72857,
  title = {[Studies on the intrinsic factor].},
  author = {H O NIEWEG and SHU CHU SHEN and W B CASTLE},
  year = {1958},
  url = {https://pubmed.ncbi.nlm.nih.gov/13600464/},
  note = {Source identifier: 13600464}
}