TY - SER AU - Kruve,Anneli TI - Matrix effects in pesticide multi-residue analysis by liquid chromatography-mass spectrometry KW - PESTICIDE RESIDUES IN FOOD KW - IF N1 - YI2009 M01 D01 Sources - Journal of Chromatography A Sources - 1187 (1-2) 2008 : 58-66 ISSN - 0021-9673 ER -