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

Year Number of Results
1982 1
1985 1
1987 3
1988 2
1989 2
1990 2
1991 3
1992 6
1993 3
1994 9
1995 4
1996 10
1997 15
1998 17
1999 11
2000 14
2001 11
2002 5
2003 4
2004 7
2005 4
2006 3
2007 4
2008 1
2009 2
2010 3
2011 3
2012 2
2013 4
2015 3
2016 6
2017 5
2018 8
2019 1
2020 2
2021 1
Text availability
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Article type
Publication date

Similar articles for PMID: 8998171

182 results
Results by year
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182 results