Erratum to “Effect of extended oral contraception use on the prevalence of fetal trisomy 21 in women aged at least 35 years”

Publisher: John Wiley & Sons Inc

E-ISSN: 1879-3479|140|2|258-258

ISSN: 0020-7292

Source: International Federation of Gynecology and Obstetrics, Vol.140, Iss.2, 2018-02, pp. : 258-258

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