DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Ickovics JR, Kershaw TS, Westdahl C. , et al.
Group prenatal care and preterm birth weight: results from a matched cohort study at public clinics.

Obstet Gynecol 2003;
102 (5 Pt 1): 1051-1057

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