@misc{indiciae5f18856a35e9,
  title = {Estimation of reference ranges from normal samples.},
  author = {P Royston and J N Matthews},
  year = {1991},
  doi = {10.1002/sim.4780100503},
  url = {https://pubmed.ncbi.nlm.nih.gov/2068421/},
  note = {Source identifier: 2068421}
}