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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Clin Lab Med. 2013 Apr 19;33(2):207–233. doi: 10.1016/j.cll.2013.03.017

Figure 1.

Figure 1

Two-dimensional ultrasonic scanning of anencephaly in the first trimester. Arrows indicate missing forebrain. Modified with permission from; Cameron M, Moran P. Prenatal screening and diagnosis of neural tube defects. Prenat Diagn 2009;29:402–11.