TY - SER AU - Zhou,Lin TI - Analysis of residues of 81 pesticides on ginkgo leaves using QuECHERS sample preparation and gas chromatography/mass spectrometry N1 - YA2011 M05 ISSN - 1060-3271 Sources - Journal of AOAC International Sources - 94 (1) 2011 : 313-321 ER -