@misc{indiciaedfe9aef68911,
  title = {Centile charts II: alternative nonparametric approach for establishing time-specific reference centiles and assessment of the sample size required.},
  author = {Jenny K Griffiths and Terence C Iles and Martin Koduah and Arthur B J Nix},
  year = {2004},
  doi = {10.1373/clinchem.2003.023770},
  url = {https://pubmed.ncbi.nlm.nih.gov/15016724/},
  note = {Source identifier: 15016724}
}