Maternal 25(OH)D concentrations ≥40 ng/mL associated with 60% lower preterm birth risk among general obstetrical patients at an urban medical center.
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PLoS One. 2017 Jul 24;12(7):e0180483. doi: 10.1371/journal.pone.0180483. eCollection 2017.
PLoS One. 2017.
PMID: 28738090
Free PMC article.