@article{17596,
  author = {Jeanice Brown and Katherine Sharpless and S. Mitvalsky and Mark Roman and James Yen and Mary Satterfield},
  title = {Determination of Caffeine, and Caffeine-Related Metabolites in Ephedra-Containing Standard Reference Materials Using Liquid Chromatography With Absorbance Detection and Tandem Mass Spectrometry},
  year = {2007},
  number = {90},
  month = {2007-04-24},
  publisher = {Journal of Aoac International},
  language = {en},
}