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

Filters

My NCBI Filters

Results by year

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

Year Number of Results
1952 1
1953 1
1968 1
1969 1
1970 3
1971 2
1974 2
1977 1
1978 2
1979 1
1980 3
1981 1
1987 1
1989 2
1991 1
1992 2
1993 1
1994 2
1995 4
1996 1
1997 1
1998 4
2000 1
2001 3
2002 1
2004 2
2005 2
2006 2
2008 1
2010 1
2012 1
2015 1
2022 2
2023 1
2024 1

Text availability

Article attribute

Article type

Publication date

Search Results

56 results

Results by year

Filters applied: . Clear all
Page 1
Electron-impact ionization of Na.
Johnston AR, Burrow PD. Johnston AR, et al. Phys Rev A. 1995 Mar;51(3):R1735-R1737. doi: 10.1103/physreva.51.r1735. Phys Rev A. 1995. PMID: 9911895 Free article. No abstract available.
The calculation of collimator penetration effects.
Bell TK, Johnston AR, Spiers EW. Bell TK, et al. Among authors: johnston ar. Phys Med Biol. 1971 Apr;16(2):331-3. doi: 10.1088/0031-9155/16/2/417. Phys Med Biol. 1971. PMID: 5581637 No abstract available.
56 results