- Address correspondence and reprint requests to Byoung-Gie Kim, MD, PhD, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-Dong, Gangnam-gu, Seoul 135-710, Korea. E-mail: .
- Received November 23, 2010
- First published April 1, 2011.
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