Songkran Chikakul และ Natchanun Leepipatpiboon. (2011) Rapid and highly sensitive analysis of ethoxyquin residues in shrimp using ultra performance liquid chromatography-tandem mass spectrometry. Chulalongkorn University:ม.ป.ท.Songkran Chikakul และ Natchanun Leepipatpiboon. 2011. Rapid and highly sensitive analysis of ethoxyquin residues in shrimp using ultra performance liquid chromatography-tandem mass spectrometry. ม.ป.ท.:Chulalongkorn University;Songkran Chikakul และ Natchanun Leepipatpiboon. Rapid and highly sensitive analysis of ethoxyquin residues in shrimp using ultra performance liquid chromatography-tandem mass spectrometry. ม.ป.ท.:Chulalongkorn University, 2011. Print.