@misc{indiciae7e4c9e0d7660,
  title = {Determination of n-dimensional reference ellipsoids using patient data.},
  author = {A J Naus and A Borst and P S Kuppens},
  year = {1982},
  doi = {10.1515/cclm.1982.20.2.75},
  url = {https://pubmed.ncbi.nlm.nih.gov/7069383/},
  note = {Source identifier: 7069383}
}