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.
Neder JA, Nery LE, Castelo A, Andreoni S, Lerario MC, Sachs A, Silva AC, Whipp BJ.Neder JA, et al. Among authors: silva ac.Eur Respir J. 1999 Dec;14(6):1304-13. doi: 10.1183/09031936.99.14613049.Eur Respir J. 1999.PMID: 10624759Free article.Clinical Trial.
Jones A, Silva PG, Silva AC, Colucci M, Tuffanin A, Jardim JR, Natour J.Jones A, et al. Among authors: silva pg, silva ac.Gait Posture. 2012 Mar;35(3):435-9. doi: 10.1016/j.gaitpost.2011.11.003. Epub 2011 Dec 15.Gait Posture. 2012.PMID: 22177285