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

Year Number of Results
1949 1
1962 1
1964 1
1985 1
1988 1
1989 6
1990 5
1991 1
1992 3
1993 2
1994 5
1995 5
1996 3
1997 5
1998 8
1999 6
2000 11
2001 9
2002 12
2003 19
2004 12
2005 4
2006 4
2007 4
2008 11
2009 12
2010 13
2011 14
2012 18
2013 12
2014 15
2015 10
2016 9
2017 12
2018 14
2019 16
2020 21
2021 28
2022 7
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 22767881

307 results
Results by year
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307 results