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.
van der Vaart H, Postma DS, Timens W, ten Hacken NH.van der Vaart H, et al. Among authors: postma ds.Thorax. 2004 Aug;59(8):713-21. doi: 10.1136/thx.2003.012468.Thorax. 2004.PMID: 15282395Free PMC article.Review.
ten Hacken NH, Aleva RM, Oosterhoff Y, Smith M, Kraan J, Postma DS, Timens W.ten Hacken NH, et al. Among authors: postma ds.Mod Pathol. 1998 Mar;11(3):292-4.Mod Pathol. 1998.PMID: 9521478