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

Year Number of Results
1979 2
1980 3
1981 3
1982 9
1983 4
1984 5
1985 8
1986 6
1987 2
1988 8
1989 4
1990 8
1991 6
1992 11
1993 8
1994 9
1995 10
1996 12
1997 13
1998 18
1999 15
2000 21
2001 21
2002 26
2003 39
2004 46
2005 43
2006 69
2007 80
2008 86
2009 109
2010 105
2011 126
2012 148
2013 166
2014 216
2015 244
2016 238
2017 303
2018 359
2019 294
2020 263
2021 91
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2,810 results
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Page 1
Clinical Characteristics of Coronavirus Disease 2019 in China.
Guan WJ, Ni ZY, Hu Y, Liang WH, Ou CQ, He JX, Liu L, Shan H, Lei CL, Hui DSC, Du B, Li LJ, Zeng G, Yuen KY, Chen RC, Tang CL, Wang T, Chen PY, Xiang J, Li SY, Wang JL, Liang ZJ, Peng YX, Wei L, Liu Y, Hu YH, Peng P, Wang JM, Liu JY, Chen Z, Li G, Zheng ZJ, Qiu SQ, Luo J, Ye CJ, Zhu SY, Zhong NS; China Medical Treatment Expert Group for Covid-19. Guan WJ, et al. Among authors: zeng g. N Engl J Med. 2020 Apr 30;382(18):1708-1720. doi: 10.1056/NEJMoa2002032. Epub 2020 Feb 28. N Engl J Med. 2020. PMID: 32109013 Free PMC article.
Double-Blind, Randomized, Placebo-Controlled Phase III Clinical Trial to Evaluate the Efficacy and Safety of treating Healthcare Professionals with the Adsorbed COVID-19 (Inactivated) Vaccine Manufactured by Sinovac - PROFISCOV: A structured summary of a study protocol for a randomised controlled trial.
Palacios R, Patiño EG, de Oliveira Piorelli R, Conde MTRP, Batista AP, Zeng G, Xin Q, Kallas EG, Flores J, Ockenhouse CF, Gast C. Palacios R, et al. Among authors: zeng g. Trials. 2020 Oct 15;21(1):853. doi: 10.1186/s13063-020-04775-4. Trials. 2020. PMID: 33059771 Free PMC article. Clinical Trial.
Safety, tolerability, and immunogenicity of an inactivated SARS-CoV-2 vaccine in healthy adults aged 18-59 years: a randomised, double-blind, placebo-controlled, phase 1/2 clinical trial.
Zhang Y, Zeng G, Pan H, Li C, Hu Y, Chu K, Han W, Chen Z, Tang R, Yin W, Chen X, Hu Y, Liu X, Jiang C, Li J, Yang M, Song Y, Wang X, Gao Q, Zhu F. Zhang Y, et al. Among authors: zeng g. Lancet Infect Dis. 2021 Feb;21(2):181-192. doi: 10.1016/S1473-3099(20)30843-4. Epub 2020 Nov 17. Lancet Infect Dis. 2021. PMID: 33217362 Free PMC article. Clinical Trial.
[An analysis of global research on SARS-CoV-2].
Zhang L, Li B, Jia P, Pu J, Bai B, Li Y, Zhu P, Li L, Zeng G, Zhao X, Dong S, Liu M, Zhang N. Zhang L, et al. Among authors: zeng g. Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2020 Apr 25;37(2):236-245. doi: 10.7507/1001-5515.202002034. Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2020. PMID: 32329275 Review. Chinese.
Assessment of Endovascular Treatment for Acute Basilar Artery Occlusion via a Nationwide Prospective Registry.
Writing Group for the BASILAR Group, Zi W, Qiu Z, Wu D, Li F, Liu H, Liu W, Huang W, Shi Z, Bai Y, Liu Z, Wang L, Yang S, Pu J, Wen C, Wang S, Zhu Q, Chen W, Yin C, Lin M, Qi L, Zhong Y, Wang Z, Wu W, Chen H, Yao X, Xiong F, Zeng G, Zhou Z, Wu Z, Wan Y, Peng H, Li B, Hu X, Wen H, Zhong W, Wang L, Jin P, Guo F, Han J, Fu X, Ai Z, Tian X, Feng X, Sun B, Huang Z, Li W, Zhou P, Tu M, Sun X, Li H, He W, Qiu T, Yuan Z, Yue C, Yang J, Luo W, Gong Z, Shuai J, Nogueira RG, Yang Q. Writing Group for the BASILAR Group, et al. Among authors: zeng g. JAMA Neurol. 2020 May 1;77(5):561-573. doi: 10.1001/jamaneurol.2020.0156. JAMA Neurol. 2020. PMID: 32080711 Free PMC article.
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