Chinese Journal of Chromatography
Chinese Journal of Chromatography > 2008 > 26 > 6 > 687-691
Chinese Journal of Chromatography > 2008 > 26 > 6 > 763-765
Chinese Journal of Chromatography > 2008 > 26 > 6 > 667-671
Chinese Journal of Chromatography > 2008 > 26 > 6 > 662-666