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.
van Erp WS, Lavrijsen JC, Vos PE, Bor H, Laureys S, Koopmans RT.van Erp WS, et al. Among authors: koopmans rt.J Am Med Dir Assoc. 2015 Jan;16(1):85.e9-85.e14. doi: 10.1016/j.jamda.2014.10.014.J Am Med Dir Assoc. 2015.PMID: 25528282Free article.
Buijck BI, Zuidema SU, Spruit-van Eijk M, Bor H, Gerritsen DL, Koopmans RT.Buijck BI, et al. Among authors: koopmans rt.BMC Health Serv Res. 2012 Dec 4;12:443. doi: 10.1186/1472-6963-12-443.BMC Health Serv Res. 2012.PMID: 23211058Free PMC article.