@misc{indiciae8e08aa1d64f4,
  title = {A rapid and validated HPLC method to quantify sphingosine 1-phosphate in human plasma using solid-phase extraction followed by derivatization with fluorescence detection.},
  author = {Jan J Butter and Richard P Koopmans and Martin C Michel},
  year = {2005},
  doi = {10.1016/j.jchromb.2005.06.040},
  url = {https://pubmed.ncbi.nlm.nih.gov/16023899/},
  note = {Source identifier: 16023899}
}