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.
Haahtela T, Klaukka T, Koskela K, Erhola M, Laitinen LA; Working Group of the Asthma Programme in Finland 1994-2004.Haahtela T, et al. Among authors: laitinen la.Thorax. 2001 Oct;56(10):806-14. doi: 10.1136/thorax.56.10.806.Thorax. 2001.PMID: 11562522Free PMC article.No abstract available.
Koskenvuo K, Broms U, Korhonen T, Laitinen LA, Huunan-Seppälä A, Keistinen T, Autti-Rämö I, Kaprio J, Koskenvuo M.Koskenvuo K, et al. Among authors: laitinen la.Eur Respir J. 2011 Jan;37(1):26-31. doi: 10.1183/09031936.00008910. Epub 2010 Jun 1.Eur Respir J. 2011.PMID: 20516052Free article.