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

Year Number of Results
1978 1
1982 1
1984 2
1986 5
1987 2
1988 3
1989 13
1990 18
1991 33
1992 36
1993 28
1994 38
1995 25
1996 28
1997 21
1998 8
1999 7
2000 4
2001 2
2002 3
2003 3
2004 6
2006 7
2007 2
2008 4
2010 2
2011 1
2012 3
2013 1
2014 1
2015 2
2016 2
2018 2
2019 2
2020 3
2021 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 1730996

318 results
Results by year
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