DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Pan M, Han J, Yang X, Zhen L, Liao C, Li DZA.
A 1st-trimester combined screening test in pregnant women of advanced maternal age in a Chinese population.

J Obstet Gynaecol 2015;
35 (02) 121-124 . Doi: 10.3109/01443615.2014.940297

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