Re: Maternal age and adverse pregnancy outcome: a cohort study. A. Khalil, A. Syngelaki, N. Maiz, Y. Zinevich and K. H. Nicolaides. Ultrasound Obstet Gynecol 2013; 42: 634–643

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Linked Comment: Ultrasound Obstet Gynecol 2013:42:634–643

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