主题：【求助】—（已应助）求助四篇英文文献，谢谢

1.Determination of carbamate residues in fruits and vegetables by matrix solid-phase dispersion and liquid chromatography–mass spectrometry
链接：  http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TG8-3YMF6PM-7&_user=1915929&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_version=1&_urlVersion=0&_userid=1915929&md5=c9b23c215c9df2fe1cf740ada6c794e4

2. Simple and rapid determination of N-methylcarbamate pesticides in citrus fruits by electrospray ionization tandem mass spectrometry
链接：  http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TF4-48V81GG-5&_user=1915929&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000055340&_version=1&_urlVersion=0&_userid=1915929&md5=b1fb672f835eb8f391cb51b480196e8e

3.  Determination of Metolcarb and Diethofencarb in Apples and Apple Juice by Solid-Phase Microextraction-High Performance Liquid Chromatography
链接：  http://chinesesites.library.ingentaconnect.com/content/pres/jcs/2008/00000046/00000008/art00017

4.  A multi-residue screening method for the determination of 73 pesticides and metabolites in fruit and vegetables using high-performance liquid chromatography/tandem mass spectrometry
  http://www3.interscience.wiley.com/journal/109614286/abstract?CRETRY=1&SRETRY=0