主题：【求助】麻烦大家帮忙查阅下列几片百草枯农残检测的英文文献！着急！谢谢了！

各位老师：
    学生现急需下列几篇关于百草枯的英文文献，麻烦大家帮忙！谢谢了！
第一篇：
  【作者】Maria A. Bacigalupo,* Giacomo Meroni, Mara Mirasoli, Daniela Parisi, and Renato Longhi
  【题目】Ultrasensitive Quantitative Determination of Paraquat: Application to River, Ground, and Drinking Water Analysis in an Agricultural Area
  【期刊，年限，页码】Ultrasensitive Quantitative Determination of Paraquat: Application to River, Ground, and Drinking Water Analysis in an Agricultural Area
  【链接】http://pubs.acs.org/cgi-bin/abstract.cgi/jafcau/2005/53/i02/abs/jf048746u.html
 
  第二篇：
  【作者】Ito S, Kudo K, Imamura T, Jitsufuchi N, Kimura K.
  【题目】Detection of drugs and poisons in postmortem tissues--determination of paraquat in tissues of rabbits buried underground.
  【期刊，年限，页码】 Nihon Hoigaku Zasshi. 1997 Apr;51(2):83-8.
  【链接】http://www.ncbi.nlm.nih.gov/pubmed/9184018

第三篇：
  【作者】Tsunoda, N | Ootsuru, O
  【题目】Detection and confirmation of paraquat and diquat by capillary gas chromatography/mass spectrometry and capillary gas chromatography/Fourier transform infrared spectrometry
  【期刊，年限，页码】EISEI KAGAKU. Vol. 35, no. 1, pp. 73-79. 1989.
  【链接】http://md1.csa.com/partners/viewrecord.php?requester=gs&collection=ENV&recid=2059037

  第四篇：
  【作者】Turner CE, Cheng PC, Torres LM, Elsohly MA.
  【题目】Detection and analysis of paraquat in confiscated marijuana samples.
  【期刊，年限，页码】Bull Narc. 1978 Oct-Dec;30(4):47-56
  【链接】http://www.ncbi.nlm.nih.gov/pubmed/258606