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.
Anderssen SA, Edvardsen E, Hansen BH, Holme IM, Dyrstad SM.Anderssen SA, et al. Among authors: hansen bh.Chest. 2014 Jul;146(1):e30-1. doi: 10.1378/chest.14-0712.Chest. 2014.PMID: 25010978No abstract available.
Hansen BH, Ommundsen Y, Holme I, Kolle E, Anderssen SA.Hansen BH, et al.Int J Public Health. 2014 Apr;59(2):221-30. doi: 10.1007/s00038-013-0472-3. Epub 2013 Apr 26.Int J Public Health. 2014.PMID: 23619723