DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Martin JA, Hamilton BE, Osterman MJK.
Births in the United States, 2016. NCHS Data Brief.
September 2017. No. 287. Accessed June 25, 2019 at:
https://www.cdc.gov/nchs/data/databriefs/db287.pdf

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