DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Li SW, Barrett AN, Gole L. , et al.
The assessment of combined first trimester screening in women of advanced maternal age in an Asian cohort.

Singapore Med J 2015;
56 (01) 47-52 . Doi: 10.11622/smedj.2015009

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