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

Year Number of Results
1993 1
2002 1
2003 4
2004 5
2005 2
2006 5
2007 1
2008 8
2009 17
2010 7
2011 18
2012 14
2013 15
2014 31
2015 29
2016 26
2017 27
2018 46
2019 73
2020 72
2021 51
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410 results
Results by year
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Page 1
Mesenchymal Stem Cell Migration and Tissue Repair.
Fu X, Liu G, Halim A, Ju Y, Luo Q, Song AG. Fu X, et al. Among authors: liu g. Cells. 2019 Jul 28;8(8):784. doi: 10.3390/cells8080784. Cells. 2019. PMID: 31357692 Free PMC article. Review.
Development of the human penis and clitoris.
Baskin L, Shen J, Sinclair A, Cao M, Liu X, Liu G, Isaacson D, Overland M, Li Y, Cunha GR. Baskin L, et al. Among authors: liu g. Differentiation. 2018 Sep-Oct;103:74-85. doi: 10.1016/j.diff.2018.08.001. Epub 2018 Aug 23. Differentiation. 2018. PMID: 30249413 Free PMC article.
2,4-Diethyl-thioxanthen-9-one.
Liu G. Liu G. Acta Crystallogr Sect E Struct Rep Online. 2009 Feb 28;65(Pt 3):o613. doi: 10.1107/S1600536809006308. Acta Crystallogr Sect E Struct Rep Online. 2009. PMID: 21582265 Free PMC article.
From H1N1 to 2019-nCoV, what do we learn?
Liu GE, Tian Y, Zhao WJ, Song SM, Li L. Liu GE, et al. Chin J Traumatol. 2020 Aug;23(4):187-189. doi: 10.1016/j.cjtee.2020.06.005. Epub 2020 Jun 25. Chin J Traumatol. 2020. PMID: 32669221 Free PMC article.
Immune Checkpoints in Viral Infections.
Cai H, Liu G, Zhong J, Zheng K, Xiao H, Li C, Song X, Li Y, Xu C, Wu H, He Z, Zhu Q. Cai H, et al. Among authors: liu g. Viruses. 2020 Sep 21;12(9):1051. doi: 10.3390/v12091051. Viruses. 2020. PMID: 32967229 Free PMC article. Review.
410 results
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