DOI: 10.1055/s-00000169

American Journal of Perinatology Reports

References

Robert R, Creasy RK, Iams JD, Lockwood CJ, Moore T, Greene MF.
Creasy and Resnik's Maternal–Fetal Medicine: Principles and Practice, 7th edition.

Philadelphia, PA: Elsevier Inc.; 2014: 658-660

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