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.
Nagtegaal JE, Kerkhof GA, Smits MG, Swart AC, Van Der Meer YG.Nagtegaal JE, et al. Among authors: kerkhof ga.J Sleep Res. 1998 Jun;7(2):135-43. doi: 10.1046/j.1365-2869.1998.00102.x.J Sleep Res. 1998.PMID: 9682186Clinical Trial.
Nagtegaal JE, Laurant MW, Kerkhof GA, Smits MG, van der Meer YG, Coenen AM.Nagtegaal JE, et al. Among authors: kerkhof ga.J Psychosom Res. 2000 Jan;48(1):45-50. doi: 10.1016/s0022-3999(99)00075-6.J Psychosom Res. 2000.PMID: 10750629
Nagtegaal E, Peeters T, Swart W, Smits M, Kerkhof G, van der Meer G.Nagtegaal E, et al.Ther Drug Monit. 1998 Apr;20(2):181-3. doi: 10.1097/00007691-199804000-00008.Ther Drug Monit. 1998.PMID: 9558132Clinical Trial.
Nagtegaal JE, Kerkhof GA, Smits MG, Swart AC, van der Meer YG.Nagtegaal JE, et al. Among authors: kerkhof ga.Funct Neurol. 1997 Nov-Dec;12(6):345-8.Funct Neurol. 1997.PMID: 9503198
Nagtegaal JE, Smits MG, Swart AC, Kerkhof GA, van der Meer YG.Nagtegaal JE, et al. Among authors: kerkhof ga.Headache. 1998 Apr;38(4):303-7. doi: 10.1046/j.1526-4610.1998.3804303.x.Headache. 1998.PMID: 9595871Clinical Trial.
Nagtegaal E, Smits M, Swart W, van der Meer G, Kerkhof G.Nagtegaal E, et al.Lancet. 1995 Nov 11;346(8985):1299. doi: 10.1016/s0140-6736(95)91901-5.Lancet. 1995.PMID: 7475742No abstract available.