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.
García-Rodríguez JA; Grupo de Estudio de Sensibilidad Antibiótica.García-Rodríguez JA, et al.Rev Esp Quimioter. 2009 Jun;22(2):76-82.Rev Esp Quimioter. 2009.PMID: 19554486Free article.Spanish.