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
1947 1
1972 3
1973 3
1974 1
1975 1
1976 3
1977 2
1978 4
1979 3
1980 2
1981 4
1982 6
1983 2
1984 3
1985 3
1986 10
1987 5
1988 20
1989 14
1990 6
1991 13
1992 3
1993 7
1994 8
1995 10
1996 13
1997 13
1998 10
1999 9
2000 6
2001 11
2002 7
2003 10
2004 3
2005 7
2006 9
2007 4
2008 11
2009 8
2010 9
2011 9
2012 4
2013 6
2014 3
2015 4
2016 3
2017 6
2018 3
2019 2
2020 6
2021 6
2022 3
2024 2

Text availability

Article attribute

Article type

Publication date

Search Results

307 results

Results by year

Filters applied: . Clear all
Page 1
Editorial: Plant Transformation.
Hopp HE, Spangenberg G, Herrera-Estrella L. Hopp HE, et al. Front Plant Sci. 2022 Apr 18;13:876671. doi: 10.3389/fpls.2022.876671. eCollection 2022. Front Plant Sci. 2022. PMID: 35519804 Free PMC article. No abstract available.
RNA-mediated virus resistance.
Vazquez Rovere C, del Vas M, Hopp HE. Vazquez Rovere C, et al. Among authors: hopp he. Curr Opin Biotechnol. 2002 Apr;13(2):167-72. doi: 10.1016/s0958-1669(02)00296-3. Curr Opin Biotechnol. 2002. PMID: 11950571 Review.
Sunflower (Helianthus annuus L.).
Lewi DM, Hopp HE, Escandón AS. Lewi DM, et al. Among authors: hopp he. Methods Mol Biol. 2006;343:291-7. doi: 10.1385/1-59745-130-4:291. Methods Mol Biol. 2006. PMID: 16988353 Review.
Sunflower (Helianthus annuus L.).
Radonic LM, Lewi DM, López NE, Hopp HE, Escandón AS, Bilbao ML. Radonic LM, et al. Among authors: hopp he. Methods Mol Biol. 2015;1224:47-55. doi: 10.1007/978-1-4939-1658-0_5. Methods Mol Biol. 2015. PMID: 25416248
[Heart failure].
Höpp HW. Höpp HW. Z Arztl Fortbild Qualitatssich. 2003 Apr;97(2):97. Z Arztl Fortbild Qualitatssich. 2003. PMID: 12828133 German. No abstract available.
307 results