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Rong-Jun Mao, Zhi-Ming Jiang, Hui-Zhen Zhang, Xiong-Zeng Zhu* and Qing-Ling Zhang*
* Corresponding authors: Xiong-Zeng Zhu xiongzengzhu@yahoo.com.cn - Qing-Ling Zhang zqllc8@126.com
Diagnostic Pathology 2012, 7:113 doi:10.1186/1746-1596-7-113