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BioMed Research International
Volume 2013 (2013), Article ID 168302, 4 pages
http://dx.doi.org/10.1155/2013/168302
Research Article

Frontomaxillary Facial Angle Measurement in Screening for Trisomy 18 at 11 + 0 to 13 + 6 Weeks of Pregnancy: A Double-Centre Study

1Teaching Department of Obstetrics and Gynecology in Ruda Slaska, Medical University of Silesia, Ulica Lipa 2, 41-703 Ruda Slaska, Poland
2Teaching Department of Obstetrics and Gynecology of the Medical University of Warsaw, Plac Starynkiewicza 1/3, 02-015 Warsaw, Poland

Received 30 April 2013; Revised 16 August 2013; Accepted 31 August 2013

Academic Editor: Konstantin J. Dedes

Copyright © 2013 Bartosz Czuba et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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