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.
Ramey SL, Perkhounkova Y, Hein M, Chung S, Franke WD, Anderson AA.Ramey SL, et al. Among authors: franke wd.J Occup Environ Med. 2016 Aug;58(8):796-804. doi: 10.1097/JOM.0000000000000791.J Occup Environ Med. 2016.PMID: 27414008
Ioudina MV, Franke WD.Ioudina MV, et al. Among authors: franke wd.Aviat Space Environ Med. 1998 Jan;69(1):53-7.Aviat Space Environ Med. 1998.PMID: 9451535