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Journal of Analytical Methods in Chemistry
Volume 2013 (2013), Article ID 151934, 6 pages
http://dx.doi.org/10.1155/2013/151934
Research Article

Determination of Morphine and Codeine in Human Urine by Gas Chromatography-Mass Spectrometry

1School of Pharmacy of Wenzhou Medical University, Wenzhou 325035, China
2The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China

Received 30 May 2013; Revised 22 August 2013; Accepted 28 August 2013

Academic Editor: Jianxiu Du

Copyright © 2013 Xiaoqian Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Xiaoqian Zhang, Mengchun Chen, Gaozhong Cao, and Guoxin Hu, “Determination of Morphine and Codeine in Human Urine by Gas Chromatography-Mass Spectrometry,” Journal of Analytical Methods in Chemistry, vol. 2013, Article ID 151934, 6 pages, 2013. doi:10.1155/2013/151934