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.
Leppänen T, Särkkä M, Kulkas A, Muraja-Murro A, Kupari S, Anttonen M, Tiihonen P, Mervaala E, Töyräs J.Leppänen T, et al.J Med Eng Technol. 2016;40(3):119-26. doi: 10.3109/03091902.2016.1148791. Epub 2016 Mar 15.J Med Eng Technol. 2016.PMID: 26977739
Leppänen T, Kulkas A, Duce B, Mervaala E, Töyräs J.Leppänen T, et al.Sleep Breath. 2017 May;21(2):397-404. doi: 10.1007/s11325-016-1430-0. Epub 2016 Dec 13.Sleep Breath. 2017.PMID: 27966055
Kulkas A, Duce B, Leppänen T, Hukins C, Töyräs J.Kulkas A, et al. Among authors: leppanen t.Sleep Breath. 2017 Dec;21(4):829-835. doi: 10.1007/s11325-017-1513-6. Epub 2017 Jun 6.Sleep Breath. 2017.PMID: 28584939