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Wen-Tsung Lo, Wei-Jen Lin, Min-Hua Tseng, Jang-Jih Lu, Shih-Yi Lee, Mong-Ling Chu and Chih-Chien Wang*
* Corresponding author: Chih-Chien Wang ndmcccw@yahoo.com.tw
BMC Infectious Diseases 2007, 7:51 doi:10.1186/1471-2334-7-51