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.


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
2002 1
2007 6
2008 2
2009 2
2010 2
2011 1
2012 1
2014 1
2015 3
2016 3
2017 12
2018 10
2019 15
2020 10
2021 12
2022 11
2023 3

Text availability

Article attribute

Article type

Publication date

Search Results

88 results

Results by year

Filters applied: . Clear all
Page 1
Felsic volcanism as a factor driving the end-Permian mass extinction.
Zhang H, Zhang F, Chen JB, Erwin DH, Syverson DD, Ni P, Rampino M, Chi Z, Cai YF, Xiang L, Li WQ, Liu SA, Wang RC, Wang XD, Feng Z, Li HM, Zhang T, Cai HM, Zheng W, Cui Y, Zhu XK, Hou ZQ, Wu FY, Xu YG, Planavsky N, Shen SZ. Zhang H, et al. Sci Adv. 2021 Nov 19;7(47):eabh1390. doi: 10.1126/sciadv.abh1390. Epub 2021 Nov 17. Sci Adv. 2021. PMID: 34788084 Free PMC article.
88 results