Erratum: Correction of Acknowledgements.
Park YR, Kim YM, Lee SW, Lee HY, Lee GE, Lee JE, Kim YT.
Park YR, et al.
Obstet Gynecol Sci. 2018 Jul;61(4):537. doi: 10.5468/ogs.2018.61.4.537. Epub 2018 Jul 10.
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PMID: 30018911
Free PMC article.