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.

Https

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
1970 1
1972 1
1973 1
1975 1
1979 2
1984 1
1986 1
1989 2
1991 2
1993 3
1994 2
1995 1
1997 1
2000 1
2002 2
2003 1
2004 2
2006 3
2007 5
2008 3
2009 6
2010 4
2011 3
2012 2
2014 4
2015 5
2016 2
2017 1
2020 2
2021 4
2022 1
Text availability
Article attribute
Article type
Publication date

Search Results

64 results
Results by year
Filters applied: . Clear all
Page 1
What causes attention deficit hyperactivity disorder?
Thapar A, Cooper M, Jefferies R, Stergiakouli E. Thapar A, et al. Among authors: jefferies r. Arch Dis Child. 2012 Mar;97(3):260-5. doi: 10.1136/archdischild-2011-300482. Epub 2011 Sep 7. Arch Dis Child. 2012. PMID: 21903599 Free PMC article. Review.
Burden of nosocomial COVID-19 in Wales: results from a multicentre retrospective observational study of 2508 hospitalised adults.
Ponsford MJ, Jefferies R, Davies C, Farewell D, Humphreys IR, Jolles S, Fairbairn S, Lewis K, Menzies D, Benjamin A, Thaivalappil F, Williams C, Barry SM. Ponsford MJ, et al. Among authors: jefferies r. Thorax. 2021 Dec;76(12):1246-1249. doi: 10.1136/thoraxjnl-2021-216964. Epub 2021 Jul 22. Thorax. 2021. PMID: 34301738 Free PMC article.
Leadership and management in UK medical school curricula.
Jefferies R, Sheriff IH, Matthews JH, Jagger O, Curtis S, Lees P, Spurgeon PC, Fountain DM, Oldman A, Habib A, Saied A, Court J, Giannoudi M, Sayma M, Ward N, Cork N, Olatokun O, Devine O, O'Connell P, Carr P, Kotronias RA, Gardiner R, Buckle RT, Thomson RJ, Williams S, Nicholson SJ, Goga U. Jefferies R, et al. J Health Organ Manag. 2016 Oct 10;30(7):1081-1104. doi: 10.1108/JHOM-03-2016-0042. J Health Organ Manag. 2016. PMID: 27700475 Free article.
64 results