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Results by year

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

Year Number of Results
1974 2
1976 2
1977 1
1981 1
1983 2
1985 1
1986 1
1988 2
1989 12
1990 16
1991 13
1992 19
1993 49
1994 26
1995 16
1996 18
1997 20
1998 30
1999 19
2000 20
2001 14
2002 14
2003 14
2004 12
2005 8
2006 2
2007 5
2008 6
2009 3
2010 6
2011 3
2012 2
2013 5
2014 4
2015 1
2016 4
2017 6
2018 2
2019 5
2021 1
2024 0

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Publication date

Similar articles for PMID: 9875021

378 results

Results by year

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378 results