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.
Sanromán-Junquera M, Boezaart A, Zasimovich Y, Nin OC, Sala-Blanch X, De Andres J, Reina MA.Sanromán-Junquera M, et al.Reg Anesth Pain Med. 2020 Apr;45(4):306-310. doi: 10.1136/rapm-2019-100784. Epub 2020 Jan 27.Reg Anesth Pain Med. 2020.PMID: 31992578
Rivas Ferreira E, Sala-Blanch X, Bargalló X, Sadurní M, Puente A, De Andrés J.Rivas Ferreira E, et al.Rev Esp Anestesiol Reanim. 2004 Dec;51(10):604-7.Rev Esp Anestesiol Reanim. 2004.PMID: 15641607Spanish.