@misc{indiciae57e35291b28a,
  title = {Estimation of red cell folate activity.},
  author = {G H Spray},
  year = {1969},
  doi = {10.1136/jcp.22.2.212},
  url = {https://pubmed.ncbi.nlm.nih.gov/5776553/},
  note = {Source identifier: 5776553}
}