@misc{indiciaea9fc2b4fee6c,
  title = {Iron deficiency without anemia.},
  author = {H C Heinrich},
  year = {1968},
  doi = {10.1016/s0140-6736(68)90506-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4174189/},
  note = {Source identifier: 4174189}
}