- Address correspondence and reprint requests to Xiaowei Zhang, MD, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China. E-mail: ; and Lijun Ma, MD, Department of Oncology, Shanghai Jiaotong University Renji Hospital, Shanghai, China.
- Received October 29, 2009
- First published April 1, 2010.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.