DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Martin JA, Hamilton BE, Osterman MJ, Driscoll AK, Mathews TJ.
Births: final data for 2015. national vital statistics reports: from the centers for disease control and prevention, national center for health statistics.

National Vital Statistics System. 2017;
66 (01) 1

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