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

Year Number of Results
2002 3
2003 4
2004 3
2005 3
2006 2
2007 5
2008 4
2009 5
2010 9
2011 6
2012 4
2013 9
2014 3
2015 4
2016 5
2017 10
2018 18
2019 19
2020 24
2021 21
2022 36
2023 37
2024 13

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Page 1
Piperazine-2,3,5,6-tetra-one.
Jia JJ, Meng XJ, Liang SZ, Zhang SH, Jiang YM. Jia JJ, et al. Acta Crystallogr Sect E Struct Rep Online. 2010 Nov 27;66(Pt 12):o3315. doi: 10.1107/S1600536810048075. Acta Crystallogr Sect E Struct Rep Online. 2010. PMID: 21589592 Free PMC article.
2-Eth-oxy-6-[(methyl-imino)-meth-yl]phenol.
Ge CM, Zhang SH, Chao F, Wang YG, Li W. Ge CM, et al. Acta Crystallogr Sect E Struct Rep Online. 2010 Jun 5;66(Pt 7):o1526. doi: 10.1107/S1600536810019951. Acta Crystallogr Sect E Struct Rep Online. 2010. PMID: 21587776 Free PMC article.
Pre-attack and pre-episode symptoms in cluster headache: a multicenter cross-sectional study of 327 Chinese patients.
Li K, Sun S, Xue Z, Chen S, Ju C, Hu D, Gao X, Wang Y, Wang D, Chen J, Li L, Liu J, Zhang M, Jia Z, Han X, Liu H, He M, Zhao W, Gong Z, Zhang S, Lin X, Liu Y, Wang S, Yu S, Dong Z. Li K, et al. Among authors: zhang s. J Headache Pain. 2022 Jul 30;23(1):92. doi: 10.1186/s10194-022-01459-z. J Headache Pain. 2022. PMID: 35906563 Free PMC article. Review.
223 results