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

Year Number of Results
1975 1
1976 1
1977 2
1980 1
1984 1
1986 3
1987 2
1988 3
1989 3
1990 1
1991 3
1992 4
1993 6
1994 6
1995 4
1996 9
1997 7
1998 9
1999 6
2000 13
2001 7
2002 6
2003 6
2004 8
2005 11
2006 7
2007 4
2008 9
2009 10
2010 17
2011 14
2012 21
2013 19
2014 20
2015 16
2016 13
2017 26
2018 14
2019 15
2020 20
2021 10
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 7838631

337 results
Results by year
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