About SINGH A K
About Univ. Minnesota
About Journal of Chromatography
About GC-MS analysis
About organophosphorus insecticide
About Miscellaneous analytical methods of organic compounds
About Pesticides
About イオン
About ガスクロマトグラフィー-質量分析
About 生体試料
About アセフェート
About メタミドホス
About 分析