@misc{indiciae35fb6af6d7b9,
  title = {Standardization by reference methods: a German viewpoint.},
  author = {E S Schmidt and F W Schmidt},
  year = {1988},
  doi = {10.1016/0009-8981(88)90352-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3383425/},
  note = {Source identifier: 3383425}
}