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.
Szczepulska-Wójcik E, Sikora J, Kupis W, Szołkowska M, Bestry I, Langfort R.Szczepulska-Wójcik E, et al. Among authors: langfort r.Pneumonol Alergol Pol. 2000;68(7-8):375-8.Pneumonol Alergol Pol. 2000.PMID: 11200752Polish.
Martusewicz-Boros M, Decker E, Marzinek M, Roszkowska-Sliz B, Remiszewski P, Bestry I, Langfort R, Rowińska-Zakrzewska E.Martusewicz-Boros M, et al. Among authors: langfort r.Pneumonol Alergol Pol. 2001;69(1-2):62-72.Pneumonol Alergol Pol. 2001.PMID: 11475560Polish.