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Results by year

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

Year Number of Results
1977 1
1978 1
1980 1
1981 1
1988 1
1989 2
1990 1
1991 1
1992 3
1996 1
1997 4
1998 3
1999 10
2000 14
2001 23
2002 22
2003 34
2004 20
2005 19
2006 10
2007 18
2008 11
2009 16
2010 17
2011 14
2012 28
2013 24
2014 22
2015 32
2016 31
2017 44
2018 38
2019 43
2020 41
2021 30
2022 14
2023 5
2024 0

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Similar articles for PMID: 22173171

543 results

Results by year

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543 results