@misc{indiciae9e64819b9fcd,
  title = {Gastric factor in iron absorption.},
  author = {P Smith and R Williams},
  year = {1968},
  doi = {10.1016/s0140-6736(68)92279-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4171173/},
  note = {Source identifier: 4171173}
}