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Results by year

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

Year Number of Results
1967 1
1970 1
1971 1
1972 1
1973 2
1975 1
1976 2
1977 2
1978 2
1979 1
1980 3
1981 1
1982 3
1983 5
1984 1
1985 3
1986 2
1987 7
1988 4
1989 3
1990 5
1991 8
1993 9
1994 5
1995 4
1996 9
1997 5
1998 1
1999 4
2000 7
2001 13
2002 9
2003 8
2004 4
2005 9
2006 7
2007 11
2008 15
2009 7
2010 19
2011 15
2012 12
2013 6
2014 7
2015 4
2024 0

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235 results

Results by year

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Page 1
Nitrogen-bound diazeniumdiolated amidines.
Biswas D, Deschamps JR, Keefer LK, Hrabie JA. Biswas D, et al. Among authors: keefer lk. Chem Commun (Camb). 2010 Aug 21;46(31):5799-801. doi: 10.1039/c0cc00849d. Epub 2010 Jun 30. Chem Commun (Camb). 2010. PMID: 20589293 Free PMC article.
Richard Loeppky (1937-2012).
Eisenbrand G, Gates KS, Hecht SS, Janzowski C, Keefer LK, Marnett LJ, Tannenbaum SR. Eisenbrand G, et al. Among authors: keefer lk. Chem Res Toxicol. 2012 Jun 18;25(6):1155-6. doi: 10.1021/tx300219b. Epub 2012 May 25. Chem Res Toxicol. 2012. PMID: 22632260 No abstract available.
DNA damage and nitric oxide.
Keefer LK, Wink DA. Keefer LK, et al. Adv Exp Med Biol. 1996;387:177-85. doi: 10.1007/978-1-4757-9480-9_24. Adv Exp Med Biol. 1996. PMID: 8794210 Review. No abstract available.
A new approach to measuring estrogen exposure and metabolism in epidemiologic studies.
Ziegler RG, Faupel-Badger JM, Sue LY, Fuhrman BJ, Falk RT, Boyd-Morin J, Henderson MK, Hoover RN, Veenstra TD, Keefer LK, Xu X. Ziegler RG, et al. Among authors: keefer lk. J Steroid Biochem Mol Biol. 2010 Aug;121(3-5):538-45. doi: 10.1016/j.jsbmb.2010.03.068. Epub 2010 Apr 9. J Steroid Biochem Mol Biol. 2010. PMID: 20382222 Free PMC article. Review.
Liver tumorigenesis by Helicobacter hepaticus: considerations of mechanism.
Canella KA, Diwan BA, Gorelick PL, Donovan PJ, Sipowicz MA, Kasprzak KS, Weghorst CM, Snyderwine EG, Davis CD, Keefer LK, Kyrtopoulos SA, Hecht SS, Wang M, Anderson LM, Rice JM. Canella KA, et al. Among authors: keefer lk. In Vivo. 1996 May-Jun;10(3):285-92. In Vivo. 1996. PMID: 8797029 Review.
235 results