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

Year Number of Results
1968 1
1973 1
1988 1
1989 3
1991 1
1993 3
1994 1
1995 1
1996 5
1997 5
1998 6
1999 9
2000 8
2001 6
2002 10
2003 13
2004 10
2005 3
2006 3
2007 9
2008 7
2009 13
2010 9
2011 19
2012 16
2013 14
2014 24
2015 13
2016 17
2017 14
2018 16
2019 12
2020 63
2021 9
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 9724660

332 results
Results by year
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332 results
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