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

Year Number of Results
1971 1
1993 1
1997 4
2000 3
2002 1
2003 3
2004 1
2005 3
2006 1
2007 10
2008 7
2009 10
2010 12
2011 7
2012 15
2013 6
2014 8
2015 4
2016 6
2017 4
2018 3
2019 3
2020 4
2021 6
2022 7
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21903915

105 results
Results by year
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105 results