@article{846921,
  author = {F. Williams and Lane Sander and Stephen Wise and J. Girard},
  title = {Development and Evaluation of Methods for Determination of Naphthodianthrones and Flavonoids in St. John's Wort},
  year = {2006},
  number = {1115},
  month = {2006-05-19 00:05:00},
  publisher = {Journal of Chromatography A},
  language = {en},
}