@misc{indiciaea139410ca71c,
  title = {Method for internal standard introduction for quantitative analysis using on-line solid-phase extraction LC-MS/MS.},
  author = {Yazen Alnouti and Ming Li and Olga Kavetskaia and Honggang Bi and Cornelis E C A Hop and Arkady I Gusev},
  year = {2006},
  doi = {10.1021/ac051806q},
  url = {https://pubmed.ncbi.nlm.nih.gov/16478130/},
  note = {Source identifier: 16478130}
}