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Maternal Characteristics, Short Mid-Trimester Cervical Length, and Preterm Delivery
Soo-Hyun Cho, Kyo Hoon Park, Eun Young Jung, Jung Kyung Joo, Ji Ae Jang, Ha-Na Yoo
J Korean Med Sci.2017;32(3):488-494. Published online 2017 January 12
DOI: http://dx.doi.org/10.3346/jkms.2017.32.3.488
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