@misc{indiciae8be2fe58e042,
  title = {Plate technique for folate assay.},
  author = {M Khan},
  year = {1970},
  doi = {10.1136/bmj.1.5699.819-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4910190/},
  note = {Source identifier: 4910190}
}