DOI: 10.1055/s-00000169

American Journal of Perinatology Reports

References

Martin JA, Osterman MJ, Thoma ME.
Declines in Triplet and Higher-order Multilpe Births in the United States, 1998–2014.
NCHS Data Brief No. 243. Centers for Disease Control and Prevention. April, 2016. Available at:
http://www.cdc.gov/nchs/products/databriefs/db243.htm . Accessed August 24, 2016

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