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Results by year

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

Year Number of Results
1977 1
1978 1
1979 1
1980 1
1981 1
1984 1
1987 2
1988 1
1989 1
1990 2
1991 2
1992 1
1993 10
1994 4
1995 12
1996 15
1997 11
1998 5
1999 7
2000 9
2001 5
2002 9
2003 9
2004 9
2005 9
2006 6
2007 3
2008 8
2009 16
2010 39
2011 14
2012 19
2013 16
2014 15
2015 9
2016 7
2017 3
2018 4
2019 3
2020 2
2021 2
2022 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 9220922

278 results
Results by year
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278 results