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

My NCBI Filters
Results by year

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

Year Number of Results
1934 1
1936 1
1937 1
1970 2
1971 1
1972 2
1973 2
1974 1
1979 1
1986 1
1987 1
1989 1
1999 1
2009 2
2012 3
2014 3
2015 4
2016 6
2017 5
2018 4
2019 9
2020 5
2021 7
2022 10
2023 2
Text availability
Article attribute
Article type
Publication date

Search Results

73 results
Results by year
Filters applied: . Clear all
Page 1
Identifying potential prescription drug product hopping.
Gowda V, Beall RF, Kesselheim AS, Sarpatwari A. Gowda V, et al. Among authors: beall rf. Nat Biotechnol. 2021 Apr;39(4):414-417. doi: 10.1038/s41587-021-00877-9. Nat Biotechnol. 2021. PMID: 33846649 No abstract available.
Cystic fibrosis foundation: achieving the mission.
Marshall BC, Penland CM, Hazle L, Ashlock M, Wetmore D, Campbell PW 3rd, Beall RJ. Marshall BC, et al. Among authors: beall rj. Respir Care. 2009 Jun;54(6):788-95; discussion 795. doi: 10.4187/002013209790983223. Respir Care. 2009. PMID: 19467165 Free article. Review.
Generic Competition for Drugs Treating Rare Diseases.
Beall RF, Quinn AE, Kesselheim AS, Tessema FA, Sarpatwari A. Beall RF, et al. J Law Med Ethics. 2020 Dec;48(4):789-795. doi: 10.1177/1073110520979391. J Law Med Ethics. 2020. PMID: 33404340 No abstract available.
Approximating Future Generic Entry for New Drugs.
Beall RF, Darrow JJ, Kesselheim AS. Beall RF, et al. J Law Med Ethics. 2019 Mar;47(1):177-182. doi: 10.1177/1073110519840499. J Law Med Ethics. 2019. PMID: 30994060 No abstract available.
73 results