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

Year Number of Results
1959 1
1968 1
1975 1
1978 1
1979 2
1981 1
1983 4
1984 2
1985 12
1986 5
1987 5
1988 8
1989 7
1990 7
1991 13
1992 7
1993 6
1994 1
1995 5
1996 2
1997 4
1998 2
1999 3
2000 5
2001 3
2002 1
2003 4
2004 2
2005 4
2006 4
2007 4
2008 3
2009 1
2010 2
2011 2
2012 2
2013 1
2014 3
2015 2
2016 2
2017 1
2018 4
2019 6
2020 2
2021 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 2136949

154 results
Results by year
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