- Address correspondence and reprint requests to Xiaowei Xi, PhD, Department of Obstetrics and Gynecology, Shanghai First People's Hospital Affiliated to Shanghai Jiao Tong University, 85 Wujin Rd, Hongkou District, Shanghai, China 200080. E-mail: email@example.com.
- Received January 28, 2010
- First published June 1, 2010.
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