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

Year Number of Results
1982 1
1983 2
1984 4
1985 3
1986 5
1987 8
1988 7
1989 8
1990 5
1991 3
1992 12
1993 18
1994 12
1995 12
1996 10
1997 12
1998 11
1999 8
2000 5
2001 12
2002 9
2003 25
2004 33
2005 32
2006 37
2007 25
2008 33
2009 37
2010 49
2011 53
2012 52
2013 61
2014 68
2015 89
2016 95
2017 132
2018 174
2019 163
2020 167
2021 123
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Publication date

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1,482 results
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Page 1
A Trial of Lopinavir-Ritonavir in Adults Hospitalized with Severe Covid-19.
Cao B, Wang Y, Wen D, Liu W, Wang J, Fan G, Ruan L, Song B, Cai Y, Wei M, Li X, Xia J, Chen N, Xiang J, Yu T, Bai T, Xie X, Zhang L, Li C, Yuan Y, Chen H, Li H, Huang H, Tu S, Gong F, Liu Y, Wei Y, Dong C, Zhou F, Gu X, Xu J, Liu Z, Zhang Y, Li H, Shang L, Wang K, Li K, Zhou X, Dong X, Qu Z, Lu S, Hu X, Ruan S, Luo S, Wu J, Peng L, Cheng F, Pan L, Zou J, Jia C, Wang J, Liu X, Wang S, Wu X, Ge Q, He J, Zhan H, Qiu F, Guo L, Huang C, Jaki T, Hayden FG, Horby PW, Zhang D, Wang C. Cao B, et al. Among authors: wen d. N Engl J Med. 2020 May 7;382(19):1787-1799. doi: 10.1056/NEJMoa2001282. Epub 2020 Mar 18. N Engl J Med. 2020. PMID: 32187464 Free PMC article. Clinical Trial.
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