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 García MA, Soler Cataluña JJ, Román Sánchez P, Cabero Salt L, Giménez Ibáñez I, Gastaldo Palop T.Martínez García MA, et al.Arch Bronconeumol. 2003 Oct;39(10):449-54. doi: 10.1016/s0300-2896(03)75427-1.Arch Bronconeumol. 2003.PMID: 14533994Spanish.
Martínez García MA, Perpiñá Tordera M, Román Sánchez P, Soler Cataluña JJ.Martínez García MA, et al.Arch Bronconeumol. 2005 Mar;41(3):110-7. doi: 10.1016/s1579-2129(06)60410-2.Arch Bronconeumol. 2005.PMID: 15766462Spanish.