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.
Lammers GJ, Middelkoop HA, Smilde-van den Doel DA, Mourtazaev M, van Dijk JG.Lammers GJ, et al.Sleep. 1997 Aug;20(8):641-4. doi: 10.1093/sleep/20.8.641.Sleep. 1997.PMID: 9351132
Overeem S, Steens SC, Good CD, Ferrari MD, Mignot E, Frackowiak RS, van Buchem MA, Lammers GJ.Overeem S, et al. Among authors: lammers gj.Sleep. 2003 Feb 1;26(1):44-6.Sleep. 2003.PMID: 12627731
Marinus J, Visser M, van Hilten JJ, Lammers GJ, Stiggelbout AM.Marinus J, et al. Among authors: lammers gj.Sleep. 2003 Dec 15;26(8):1049-54. doi: 10.1093/sleep/26.8.1049.Sleep. 2003.PMID: 14746389