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

Year Number of Results
1987 1
1988 2
1989 3
1990 6
1991 9
1992 8
1993 9
1994 15
1995 6
1996 11
1997 20
1998 15
1999 23
2000 25
2001 22
2002 14
2003 3
2004 10
2005 8
2006 6
2007 6
2008 8
2009 4
2010 5
2011 4
2012 5
2013 4
2014 3
2015 5
2016 3
2017 2
2018 6
2019 4
2020 3
2021 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 9170440

265 results
Results by year
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265 results