@misc{indiciae9df4423a18e4,
  title = {The essential standards.},
  author = {P J Schmidt},
  year = {1997},
  doi = {10.1046/j.1537-2995.1997.371098016451.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9354831/},
  note = {Source identifier: 9354831}
}