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.
Martínez-Velasco A, Lobato-Calleros C, Hernández-Rodríguez BE, Román-Guerrero A, Alvarez-Ramirez J, Vernon-Carter EJ.Martínez-Velasco A, et al.Ultrason Sonochem. 2018 Jun;44:97-105. doi: 10.1016/j.ultsonch.2018.02.007. Epub 2018 Feb 6.Ultrason Sonochem. 2018.PMID: 29680632Free article.