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.
Soeteman RJ, Yzermans CJ, Kerssens JJ, Dirkzwager AJ, Donker GA, ten Veen PM, van den Bosch WJ, van der Zee J.Soeteman RJ, et al. Among authors: donker ga.J Am Board Fam Med. 2007 Nov-Dec;20(6):548-56. doi: 10.3122/jabfm.2007.06.060067.J Am Board Fam Med. 2007.PMID: 17954862Free article.
Donker GA, Yzermans CJ, Spreeuwenberg P, van der Zee J.Donker GA, et al.Br J Gen Pract. 2002 Nov;52(484):917-22.Br J Gen Pract. 2002.PMID: 12434961Free PMC article.
Brooke RJ, Van Lier A, Donker GA, Van Der Hoek W, Kretzschmar ME.Brooke RJ, et al. Among authors: donker ga.Epidemiol Infect. 2014 Nov;142(11):2412-21. doi: 10.1017/S0950268813003531. Epub 2014 Jan 24.Epidemiol Infect. 2014.PMID: 24476696Free PMC article.