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Secular Trends of Preterm Birth Rate in Primiparous Women by Matermal Age: 1997~1999, 2011~2013 Singleton Birth Certificated Data of Korea
박상화, 임달오
J Korean Soc Matern Child Health.
2015;19(2):296-303.
Published online July 31, 2015
DOI:
https://doi.org/10.21896/jksmch.2015.19.2.296
Cited By 3
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