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Results by year

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

Year Number of Results
1988 2
1992 1
1993 2
1994 3
1995 3
1996 4
1997 2
1998 1
1999 6
2000 2
2001 5
2002 6
2003 6
2004 5
2005 7
2006 6
2007 5
2008 4
2009 10
2010 13
2011 14
2012 14
2013 8
2014 14
2015 25
2016 18
2017 20
2018 21
2019 18
2020 19
2021 13
2022 15
2023 7
2024 0

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Similar articles for PMID: 21880982

276 results

Results by year

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276 results