@misc{indiciae06f9d9c0ca13,
  title = {Perfluorosulfonated ionomer-modified polyethylene. A material for simultaneous solid-phase enrichment and enhanced precolumn dansylation of C-21 ketosteroids in human serum.},
  author = {P Appelblad and A Ahmed and E Pontén and T Bäckström and K Irgum},
  year = {2001},
  doi = {10.1021/ac010071w},
  url = {https://pubmed.ncbi.nlm.nih.gov/11510837/},
  note = {Source identifier: 11510837}
}