Wan-dong Hong*, Qi-huai Zhu, Zhi-ming Huang, Xiang-rong Chen, Zen-cai Jiang, Si-hao Xu and Kunlin Jin
* Corresponding author: Wan-dong Hong hwdsci@gmail.com
BMC Gastroenterology 2009, 9:11 doi:10.1186/1471-230X-9-11