An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Falcon O, Auer M, Gerovassili A, Spencer K, Nicolaides KH.Falcon O, et al.Ultrasound Obstet Gynecol. 2006 Feb;27(2):151-5. doi: 10.1002/uog.2699.Ultrasound Obstet Gynecol. 2006.PMID: 16388509Free article.
Falcon O, Faiola S, Huggon I, Allan L, Nicolaides KH.Falcon O, et al.Ultrasound Obstet Gynecol. 2006 Jun;27(6):609-12. doi: 10.1002/uog.2736.Ultrasound Obstet Gynecol. 2006.PMID: 16526003Free article.