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.
Verheij RA, van de Mheen HD, de Bakker DH, Groenewegen PP, Mackenbach JP.Verheij RA, et al. Among authors: groenewegen pp.J Epidemiol Community Health. 1998 Aug;52(8):487-93. doi: 10.1136/jech.52.8.487.J Epidemiol Community Health. 1998.PMID: 9876359Free PMC article.
Groenewegen PP, van den Berg AE, de Vries S, Verheij RA.Groenewegen PP, et al.BMC Public Health. 2006 Jun 7;6:149. doi: 10.1186/1471-2458-6-149.BMC Public Health. 2006.PMID: 16759375Free PMC article.
van Dijk CE, Verheij RA, Hansen J, van der Velden L, Nijpels G, Groenewegen PP, de Bakker DH.van Dijk CE, et al. Among authors: groenewegen pp.BMC Health Serv Res. 2010 Aug 6;10:230. doi: 10.1186/1472-6963-10-230.BMC Health Serv Res. 2010.PMID: 20691051Free PMC article.