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BioMed Research International
Volume 2013 (2013), Article ID 283425, 6 pages
http://dx.doi.org/10.1155/2013/283425
Research Article

The Investigation of Tramadol Dependence with No History of Substance Abuse: A Cross-Sectional Survey of Spontaneously Reported Cases in Guangzhou City, China

1School of Public Health, Peking University, Beijing 100191, China
2National Institute on Drug Dependence, Peking University, 38 Xueyuan Road Haidian District, Beijing 100191, China

Received 10 April 2013; Revised 14 July 2013; Accepted 14 August 2013

Academic Editor: Eiichi Kumamoto

Copyright © 2013 Haoran Zhang and Zhimin Liu. 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

Haoran Zhang and Zhimin Liu, “The Investigation of Tramadol Dependence with No History of Substance Abuse: A Cross-Sectional Survey of Spontaneously Reported Cases in Guangzhou City, China,” BioMed Research International, vol. 2013, Article ID 283425, 6 pages, 2013. doi:10.1155/2013/283425