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

Year Number of Results
1951 4
1952 1
1954 1
1959 1
1960 1
1961 1
1963 1
1964 1
1965 1
1966 3
1967 2
1968 2
1969 8
1970 3
1972 5
1973 4
1974 3
1975 3
1977 1
1978 5
1979 8
1980 11
1981 12
1982 21
1983 9
1984 20
1985 10
1986 27
1987 23
1988 45
1989 34
1990 45
1991 49
1992 46
1993 59
1994 78
1995 78
1996 104
1997 98
1998 82
1999 87
2000 137
2001 156
2002 193
2003 246
2004 290
2005 371
2006 415
2007 467
2008 582
2009 667
2010 752
2011 1011
2012 1134
2013 1306
2014 1615
2015 1822
2016 1884
2017 2100
2018 2415
2019 2641
2020 2972
2021 1933
2022 1
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23,480 results
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Page 1
Assessing the Impact of COVID-19 on the Clinical Trial Objective and Analysis of Oncology Clinical Trials-Application of the Estimand Framework.
Degtyarev E, Rufibach K, Shentu Y, Yung G, Casey M, Englert S, Liu F, Liu Y, Sailer O, Siegel J, Sun S, Tang R, Zhou J; Industry Working Group on Estimands in Oncology. Degtyarev E, et al. Among authors: liu f. Stat Biopharm Res. 2020 Jul 14;12(4):427-437. doi: 10.1080/19466315.2020.1785543. Stat Biopharm Res. 2020. PMID: 34191975 Free PMC article.
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