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.
Riccio SA, House AA, Spence JD, Fenster A, Parraga G.Riccio SA, et al. Among authors: parraga g.Cardiovasc Ultrasound. 2006 Nov 13;4:44. doi: 10.1186/1476-7120-4-44.Cardiovasc Ultrasound. 2006.PMID: 17101043Free PMC article.Clinical Trial.
Egger M, Spence JD, Fenster A, Parraga G.Egger M, et al. Among authors: parraga g.Ultrasound Med Biol. 2007 Jun;33(6):905-14. doi: 10.1016/j.ultrasmedbio.2007.01.013. Epub 2007 Apr 18.Ultrasound Med Biol. 2007.PMID: 17445962
Egger M, Chiu B, Spence JD, Fenster A, Parraga G.Egger M, et al. Among authors: parraga g.Ultrasound Med Biol. 2008 Jan;34(1):64-72. doi: 10.1016/j.ultrasmedbio.2007.07.004. Epub 2007 Aug 27.Ultrasound Med Biol. 2008.PMID: 17720303Clinical Trial.
Chiu B, Egger M, Spence JD, Parraga G, Fenster A.Chiu B, et al. Among authors: parraga g.Conf Proc IEEE Eng Med Biol Soc. 2006;2006:3819-22. doi: 10.1109/IEMBS.2006.260661.Conf Proc IEEE Eng Med Biol Soc. 2006.PMID: 17945804
Egger M, Krasinski A, Rutt BK, Fenster A, Parraga G.Egger M, et al. Among authors: parraga g.J Ultrasound Med. 2008 Sep;27(9):1321-34. doi: 10.7863/jum.2008.27.9.1321.J Ultrasound Med. 2008.PMID: 18716142
Mallett C, House AA, Spence JD, Fenster A, Parraga G.Mallett C, et al. Among authors: parraga g.Ultrasound Med Biol. 2009 Mar;35(3):367-75. doi: 10.1016/j.ultrasmedbio.2008.09.008. Epub 2008 Nov 8.Ultrasound Med Biol. 2009.PMID: 18996639Clinical Trial.