Keep up to date with the latest news and content from Trials and BioMed Central.
Ying Li, Hui Zheng, Qianhua Zheng, Ling Zhao, Erqi Qin, Yu Wang, Qian Zeng, Huabin Zheng, Yu Zhao, Wei Sun, Xiaoxia Zhang, Zhishun Liu and Baoyan Liu*
Corresponding author: Baoyan Liu firstname.lastname@example.org
Trials 2014, 15:198
Fields marked * are required
BioMed Central Ltd unless otherwise stated. Part of Springer Science+Business Media.