@article{79966,
  author = {Bryant Nelson and Christine Pfeiffer and S Margolis and C Nelson},
  title = {Solid-Phase Extraction Electrospray Ionization Mass Spectrometry for the Quantification of Folate in Human Plasma or Serum},
  year = {2004},
  number = {325},
  month = {2004-02-01},
  publisher = {Analytical Biochemistry},
  language = {en},
}