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
1925 1
1948 1
1956 1
1960 1
1970 4
1971 1
1975 1
1976 2
1977 3
1982 1
1983 2
1984 4
1985 7
1986 2
1987 5
1988 1
1989 1
1990 3
1991 1
1992 2
1993 1
1994 1
1995 3
1997 1
1998 1
1999 3
2000 2
2001 2
2002 3
2003 1
2004 1
2005 2
2006 1
2007 1
2008 1
2010 1
2013 1
2016 1
2017 4
2018 2
2019 5
2020 1
2021 2
2022 3
2023 6
2024 1

Text availability

Article attribute

Article type

Publication date

Search Results

88 results

Results by year

Filters applied: . Clear all
Page 1
Author's Response to Critic's Allegations.
Ho V, Metcalfe L, Dark C, Vu L, Weber E, Shelton G Jr, Underwood HR. Ho V, et al. Among authors: underwood hr. Ann Emerg Med. 2017 Dec;70(6):865-867. doi: 10.1016/j.annemergmed.2017.08.017. Epub 2017 Sep 19. Ann Emerg Med. 2017. PMID: 28935279 No abstract available.
Studies in Catalysis.
Underwood HW. Underwood HW. Proc Natl Acad Sci U S A. 1925 Jan;11(1):78-80. doi: 10.1073/pnas.11.1.78. Proc Natl Acad Sci U S A. 1925. PMID: 16586975 Free PMC article. No abstract available.
Extraretinal photoreception in birds.
Menaker M, Underwood H. Menaker M, et al. Among authors: underwood h. Photophysiology. 1976 Apr;23(4):299-306. doi: 10.1111/j.1751-1097.1976.tb07251.x. Photophysiology. 1976. PMID: 1273098 No abstract available.
88 results