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
1959 1
1998 1
1999 1
2000 2
2001 1
2002 2
2003 2
2004 2
2005 2
2006 13
2007 6
2008 6
2009 8
2010 5
2011 7
2012 10
2013 7
2014 10
2015 14
2016 18
2017 12
2018 12
2019 10
2020 18
2021 12
2022 19
2023 11
2024 5

Text availability

Article attribute

Article type

Publication date

Search Results

193 results

Results by year

Filters applied: . Clear all
Page 1
Combinatorial single-cell CRISPR screens by direct guide RNA capture and targeted sequencing.
Replogle JM, Norman TM, Xu A, Hussmann JA, Chen J, Cogan JZ, Meer EJ, Terry JM, Riordan DP, Srinivas N, Fiddes IT, Arthur JG, Alvarado LJ, Pfeiffer KA, Mikkelsen TS, Weissman JS, Adamson B. Replogle JM, et al. Among authors: pfeiffer ka. Nat Biotechnol. 2020 Aug;38(8):954-961. doi: 10.1038/s41587-020-0470-y. Epub 2020 Mar 30. Nat Biotechnol. 2020. PMID: 32231336 Free PMC article.
Expansion of Stodden et al.'s Model.
Lima RA, Drenowatz C, Pfeiffer KA. Lima RA, et al. Among authors: pfeiffer ka. Sports Med. 2022 Apr;52(4):679-683. doi: 10.1007/s40279-021-01632-5. Epub 2022 Feb 7. Sports Med. 2022. PMID: 35129786 Free PMC article. No abstract available.
School-based interventions modestly increase physical activity and cardiorespiratory fitness but are least effective for youth who need them most: an individual participant pooled analysis of 20 controlled trials.
Hartwig TB, Sanders T, Vasconcellos D, Noetel M, Parker PD, Lubans DR, Andrade S, Ávila-García M, Bartholomew J, Belton S, Brooks NE, Bugge A, Cavero-Redondo I, Christiansen LB, Cohen K, Coppinger T, Dyrstad S, Errisuriz V, Fairclough S, Gorely T, Javier Huertas-Delgado F, Issartel J, Kriemler S, Kvalø SE, Marques-Vidal P, Martinez-Vizcaino V, Møller NC, Moran C, Morris J, Nevill M, Ochoa-Avilés A, O'Leary M, Peralta L, Pfeiffer KA, Puder J, Redondo-Tébar A, Robbins LB, Sanchez-Lopez M, Tarp J, Taylor S, Tercedor P, Toftager M, Villa-González E, Wedderkopp N, Weston KL, Yin Z, Zhixiong Z, Lonsdale C, Del Pozo Cruz B. Hartwig TB, et al. Among authors: pfeiffer ka. Br J Sports Med. 2021 Jan 13:bjsports-2020-102740. doi: 10.1136/bjsports-2020-102740. Online ahead of print. Br J Sports Med. 2021. PMID: 33441332 Free article. Review.
Utility of the Youth Compendium of Physical Activities.
Ainsworth BE, Watson KB, Ridley K, Pfeiffer KA, Herrmann SD, Crouter SE, McMurray RG, Butte NF, Bassett DR Jr, Trost SG, Berrigan D, Fulton JE. Ainsworth BE, et al. Among authors: pfeiffer ka. Res Q Exerc Sport. 2018 Sep;89(3):273-281. doi: 10.1080/02701367.2018.1487754. Epub 2018 Jul 18. Res Q Exerc Sport. 2018. PMID: 30019994 Free PMC article.
193 results