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

Year Number of Results
1952 1
1956 1
1991 1
1999 1
2000 1
2001 4
2004 7
2005 7
2006 8
2007 3
2008 9
2009 9
2010 15
2011 16
2012 22
2013 23
2014 13
2015 9
2016 10
2017 6
2018 8
2019 8
2020 8
2021 8
2022 7
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21556474

183 results
Results by year
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183 results