Guang Xue He*, Susan van den Hof, Marieke J van der Werf, Guo Jie Wang, Shi Wen Ma, Dong Yang Zhao, Yuan Lian Hu, Shi Cheng Yu and Martien W Borgdorff
* Corresponding author: Guang Xue He heguangxue@chinatb.org
BMC Infectious Diseases 2010, 10:313 doi:10.1186/1471-2334-10-313
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