Chufen Chen1, Xiaoxia Xie1*, Yueying Liang1*
1 Department of Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, 510080, P.R.China
*Correspondence should be addressed to Xiaoxia Xie (gz3x111@163.com)
Received date: January 1, 2015; Accepted date: April 14, 2015; Published date: July 2, 2015
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