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
1795 1
1797 1
1806 1
1808 1
1815 1
1825 1
1827 2
1832 1
1833 1
1834 1
1835 3
1839 1
1840 1
1843 2
1844 1
1847 1
1848 3
1851 1
1869 1
1879 1
1880 1
1881 1
1882 1
1884 1
1888 1
1890 1
1892 5
1893 1
1895 1
1905 1
1906 2
1910 2
1912 1
1915 1
1916 2
1917 1
1918 2
1919 3
1921 1
1922 1
1926 1
1928 4
1929 3
1930 3
1931 2
1932 4
1933 6
1934 2
1936 2
1937 1
1938 26
1939 34
1940 1
1941 2
1942 1
1943 1
1945 4
1946 19
1947 21
1948 12
1949 18
1950 22
1951 29
1952 24
1953 22
1954 16
1955 28
1956 24
1957 20
1958 21
1959 14
1960 30
1961 31
1962 44
1963 46
1964 55
1965 67
1966 76
1967 80
1968 103
1969 118
1970 141
1971 142
1972 152
1973 156
1974 199
1975 410
1976 439
1977 451
1978 520
1979 531
1980 651
1981 621
1982 750
1983 929
1984 972
1985 1119
1986 1245
1987 1456
1988 1634
1989 2117
1990 2473
1991 2718
1992 3287
1993 3609
1994 4218
1995 4751
1996 5783
1997 6895
1998 8072
1999 8906
2000 10724
2001 11885
2002 13907
2003 16421
2004 19799
2005 24249
2006 29176
2007 33814
2008 39057
2009 45434
2010 53235
2011 62625
2012 71945
2013 83775
2014 98583
2015 113228
2016 127603
2017 139255
2018 159439
2019 181494
2020 213380
2021 243474
2022 272295
2023 268862
2024 115881
2025 1

Text availability

Article attribute

Article type

Publication date

Search Results

2,232,102 results

Results by year

Filters applied: . Clear all
Page 1
Looking into key bacterial proteins involved in gut dysbiosis.
Zeng XY, Li M. Zeng XY, et al. World J Methodol. 2021 Jul 20;11(4):130-143. doi: 10.5662/wjm.v11.i4.130. eCollection 2021 Jul 20. World J Methodol. 2021. PMID: 34322365 Free PMC article. Review.
We subjectively classify the key functional proteins into two categories: Primary key proteins and secondary key proteins. ...Knowledge of key bacterial proteins is limited compared to the rich microbiome data. ...
We subjectively classify the key functional proteins into two categories: Primary key proteins and secondary key protei …
Key Informants in Applied Qualitative Health Research.
Pahwa M, Cavanagh A, Vanstone M. Pahwa M, et al. Qual Health Res. 2023 Dec;33(14):1251-1261. doi: 10.1177/10497323231198796. Epub 2023 Oct 30. Qual Health Res. 2023. PMID: 37902082 Free PMC article.
Identifying and recruiting key informants is a widely used sampling strategy in applied qualitative health research. ...This article delineates how key informants could be conceptualized and sampled and how data sufficiency can be approached. ...
Identifying and recruiting key informants is a widely used sampling strategy in applied qualitative health research. ...This article …
Clinical pharmacist interventions in managing Key Monitoring Drugs in China.
Yang J, Zheng L, Yu WG, Gu YC. Yang J, et al. Eur Rev Med Pharmacol Sci. 2021 Jan;25(2):1006-1015. doi: 10.26355/eurrev_202101_24670. Eur Rev Med Pharmacol Sci. 2021. PMID: 33577056 Free article.
The proportion of revenue generated from Key Monitoring Drugs also decreased by 11.49% compared with 2015. ...Over this time, the DRPs associated with Key Monitoring Drugs decreased by 45.50%. Through administrative intervention, prescription review, information man …
The proportion of revenue generated from Key Monitoring Drugs also decreased by 11.49% compared with 2015. ...Over this time, the DRP …
Identification of key lipid metabolism-related genes in Alzheimer's disease.
Zeng Y, Cao S, Li N, Tang J, Lin G. Zeng Y, et al. Lipids Health Dis. 2023 Sep 22;22(1):155. doi: 10.1186/s12944-023-01918-9. Lipids Health Dis. 2023. PMID: 37736681 Free PMC article.
The key DELMRGs expression levels were validated via two external datasets. ...In addition, GSEA identified various pathways commonly associated with three key DELMRGs. Moreover, the regulatory network of miRNA-TF for key DELMRGs was established. ...
The key DELMRGs expression levels were validated via two external datasets. ...In addition, GSEA identified various pathways commonly …
Multi-path-based quasi-real-time key provisioning in quantum-key-distribution enabled optical networks (QKD-ON).
Yu X, Liu X, Liu Y, Nag A, Zou X, Zhao Y, Zhang J. Yu X, et al. Opt Express. 2021 Jul 5;29(14):21225-21239. doi: 10.1364/OE.425562. Opt Express. 2021. PMID: 34265913 Free article.
The concept of quantum key pool (QKP) was introduced to offer an effective strategy for storing quantum keys. ...Simulation results show that the MP-QRT-KP effectively enhances the performance of QKD-ONs in different scenarios, and it turns out that the algorithm performs …
The concept of quantum key pool (QKP) was introduced to offer an effective strategy for storing quantum keys. ...Simulation results s …
Single-cell RNA sequencing and transcriptomic analysis reveal key genes and regulatory mechanisms in sepsis.
Mo Q, Mo Q, Mo F. Mo Q, et al. Biotechnol Genet Eng Rev. 2023 Apr 5:1-23. doi: 10.1080/02648725.2023.2196475. Online ahead of print. Biotechnol Genet Eng Rev. 2023. PMID: 37017187
Therefore, an in-depth study on the pathogenesis of sepsis at the molecular level is essential to identify key sepsis-related genes. The aim of this study was to explore the key genes and potential molecular mechanisms of sepsis using a bioinformatics approach. ...N …
Therefore, an in-depth study on the pathogenesis of sepsis at the molecular level is essential to identify key sepsis-related genes. …
Key Frame Extraction in the Summary Space.
Li X, Zhao B, Lu X, Xuelong Li, Bin Zhao, Xiaoqiang Lu, Lu X, Li X, Zhao B. Li X, et al. IEEE Trans Cybern. 2018 Jun;48(6):1923-1934. doi: 10.1109/TCYB.2017.2718579. Epub 2017 Jul 4. IEEE Trans Cybern. 2018. PMID: 28693004
Generally, the key frames should be representative of the video content, meanwhile, diverse to reduce the redundancy. Based on the assumption that the video data are near a subspace of a high-dimensional space, a new approach, named as key frame extraction in the su …
Generally, the key frames should be representative of the video content, meanwhile, diverse to reduce the redundancy. Based on the as …
Identification of key genes with prognostic value in gastric cancer by bioinformatics analysis.
Wang R, Chen X, Huang C, Yang X, He H, OuYang C, Li H, Guo J, Yang C, Lin Z. Wang R, et al. Front Genet. 2022 Aug 30;13:958213. doi: 10.3389/fgene.2022.958213. eCollection 2022. Front Genet. 2022. PMID: 36110205 Free PMC article.
The protein-protein interaction (PPI) network was established by STRING and screening key genes by MCODE and CytoNCA plug-ins in Cytoscape. Functional enrichment analysis, construction of a prognostic risk model, and nomograms verify key genes as potential therapeut …
The protein-protein interaction (PPI) network was established by STRING and screening key genes by MCODE and CytoNCA plug-ins in Cyto …
KEADA: Identifying Key Classes in Software Systems Using Dynamic Analysis and Entropy-Based Metrics.
Wang L, Du X, Jiang B, Pan W, Ming H, Liu D. Wang L, et al. Entropy (Basel). 2022 May 6;24(5):652. doi: 10.3390/e24050652. Entropy (Basel). 2022. PMID: 35626540 Free PMC article.
It is a feasible method to understand the software through the key classes of the software. Identifying the key classes of the software can help developers understand the software more quickly. ...In this paper, we propose an approach based on dynamic analysis and e …
It is a feasible method to understand the software through the key classes of the software. Identifying the key classes of the …
Is the key-treatment-in-key-areas approach in air pollution control policy effective? Evidence from the action plan for air pollution prevention and control in China.
Wang W, Zhao C, Dong C, Yu H, Wang Y, Yang X. Wang W, et al. Sci Total Environ. 2022 Oct 15;843:156850. doi: 10.1016/j.scitotenv.2022.156850. Epub 2022 Jun 21. Sci Total Environ. 2022. PMID: 35738375
Is the key-treatment-in-key-areas approach effective? Except the targeted pollutants, does there exist the synergistic effects of other air pollutants? ...This margin is much larger than the one between key areas and other provinces nationwide. Therefore, thi …
Is the key-treatment-in-key-areas approach effective? Except the targeted pollutants, does there exist the synergistic effects …
2,232,102 results
You have reached the last available page of results. Please see the User Guide for more information.