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
1980 1
1984 1
1987 1
1989 1
1991 1
1993 1
1994 1
1995 1
1996 2
1997 3
2000 1
2003 2
2006 1
2007 3
2008 4
2009 1
2010 4
2011 7
2012 1
2013 10
2014 15
2015 12
2016 14
2017 17
2018 26
2019 18
2020 19
2021 33
2022 20
2023 21
2024 8

Text availability

Article attribute

Article type

Publication date

Search Results

218 results

Results by year

Filters applied: . Clear all
Page 1
Chemical penetration enhancers: a patent review.
Ahad A, Aqil M, Kohli K, Chaudhary H, Sultana Y, Mujeeb M, Talegaonkar S. Ahad A, et al. Expert Opin Ther Pat. 2009 Jul;19(7):969-88. doi: 10.1517/13543770902989983. Expert Opin Ther Pat. 2009. PMID: 19552513 Review.
Importation of SARS-CoV-2 Variant B.1.1.7 in Pakistan.
Umair M, Ikram A, Salman M, Alam MM, Badar N, Rehman Z, Tamim S, Khurshid A, Ahad A, Ahmad H, Ullah S. Umair M, et al. Among authors: ahad a. J Med Virol. 2021 May;93(5):2623-2625. doi: 10.1002/jmv.26869. Epub 2021 Feb 19. J Med Virol. 2021. PMID: 33570181 Free PMC article. No abstract available.
218 results