DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Haas DM, Parker CB, Wing DA. et al; NuMoM2b study.
A description of the methods of the nulliparous pregnancy outcomes study: monitoring mothers-to-be (nuMoM2b).

Am J Obstet Gynecol 2015;
212 (04) 539.e1-539.e24

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