DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Csermely G, Czeizel AE, Veszprémi B.
Distribution of maternal age and birth order groups in cases with unclassified multiple congenital abnormalities according to the number of component abnormalities: a national population-based case-control study.

Birth Defects Res A Clin Mol Teratol 2015;
103 (2) 67-75

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