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.
de Pont AC, Kerver ED, Jansen ME, Bijleveld YA, Franssen EJ, Hoekstra JB.de Pont AC, et al. Among authors: hoekstra jb.Ned Tijdschr Geneeskd. 2007 Apr 28;151(17):981-4.Ned Tijdschr Geneeskd. 2007.PMID: 17520853Dutch.
Holleman F, Gerdes VE, de Vries JH, Hoekstra JB.Holleman F, et al. Among authors: hoekstra jb.Ned Tijdschr Geneeskd. 2006 Feb 18;150(7):358-60.Ned Tijdschr Geneeskd. 2006.PMID: 16523797Dutch.