Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page


My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1988 1
1989 2
1991 1
1992 2
1993 2
1995 3
1996 3
1997 1
1999 1
2000 2
2001 2
2002 1
2003 10
2004 3
2005 4
2006 6
2007 6
2008 8
2009 6
2010 7
2011 2
2012 2
2013 3
2014 1
2015 1
2018 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

74 results

Results by year

Filters applied: . Clear all
Page 1
Interventions to improve outpatient referrals from primary care to secondary care.
Akbari A, Mayhew A, Al-Alawi MA, Grimshaw J, Winkens R, Glidewell E, Pritchard C, Thomas R, Fraser C. Akbari A, et al. Among authors: winkens r. Cochrane Database Syst Rev. 2008 Oct 8;2008(4):CD005471. doi: 10.1002/14651858.CD005471.pub2. Cochrane Database Syst Rev. 2008. PMID: 18843691 Free PMC article. Review.
Are premature ventricular contractions always harmless?
Winkens RA, Höppener PF, Kragten JA, Verburg MP, Crebolder HF. Winkens RA, et al. Eur J Gen Pract. 2014 Jun;20(2):134-8. doi: 10.3109/13814788.2013.859243. Epub 2013 Nov 28. Eur J Gen Pract. 2014. PMID: 24286118
Pectus excavatum, not always as harmless as it seems.
Winkens R, Guldemond F, Hoppener P, Kragten H, van Leeuwen Y. Winkens R, et al. BMJ Case Rep. 2009;2009:bcr10.2009.2329. doi: 10.1136/bcr.10.2009.2329. Epub 2009 Dec 14. BMJ Case Rep. 2009. PMID: 22171234 Free PMC article.
The reliability of diagnosis using store-and-forward teledermatology.
Du Moulin MF, Bullens-Goessens YI, Henquet CJ, Brunenberg DE, de Bruyn-Geraerds DP, Winkens RA, Dirksen CD, Vierhout WP, Neumann HA. Du Moulin MF, et al. Among authors: winkens ra. J Telemed Telecare. 2003;9(5):249-52. doi: 10.1258/135763303769211247. J Telemed Telecare. 2003. PMID: 14599326
The Dutch experience of open access echocardiography.
Lodewijks-van der Bolt CL, Baur LH, Lenderink T, Guldemond F, Nijhof J, Winkens R, Hundscheid M, Stoffers J. Lodewijks-van der Bolt CL, et al. Among authors: winkens r. Neth Heart J. 2007;15(10):342-7. doi: 10.1007/BF03086012. Neth Heart J. 2007. PMID: 18176623 Free PMC article.
74 results