DOI: 10.1055/s-00000009

American Journal of Perinatology

References

National Center for Health Statistics.
Revisions of the U.S. Standard Certificates of Live Birth.

Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention; Available at:
http://www.cdc.gov/nchs/data/dvs/birth11-03final-ACC.pdf . Accessed May 21, 2019

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