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.
Hofmann-Thiel S, van Ingen J, Feldmann K, Turaev L, Uzakova GT, Murmusaeva G, van Soolingen D, Hoffmann H.Hofmann-Thiel S, et al. Among authors: feldmann k.Eur Respir J. 2009 Feb;33(2):368-74. doi: 10.1183/09031936.00089808. Epub 2008 Oct 1.Eur Respir J. 2009.PMID: 18829680Free article.
Breyer O, Neher A, Feldmann K, Shrestha HB.Breyer O, et al. Among authors: feldmann k.Pneumologie. 1990 Feb;44 Suppl 1:475-6.Pneumologie. 1990.PMID: 2114632German.