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Pregnancy Outcomes in Women with Unexplained Elevation of Maternal Serum Human Chorionic Gonadotropin Levels at Midtrimester.
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Yun Jung Lee, Sei Kwang Kim, Eun Hee Ahn, Jin Woo Lee, Hye Kyung Kwon, Chang Hee Lee, Young Han Kim, Sang Wook Bai, Ki Hyun Park, Young Ho Yang, Chan Ho Song
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Korean J Obstet Gynecol. 2001;44(4):704-708. Published online April 1, 2001
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