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

Year Number of Results
1903 1
1928 1
1954 1
1977 1
1978 1
1980 2
1984 4
1986 4
1987 7
1988 2
1989 11
1990 14
1991 9
1992 19
1993 18
1994 18
1995 19
1996 11
1997 16
1998 22
1999 13
2000 20
2001 13
2002 22
2003 7
2004 14
2005 15
2006 10
2007 14
2008 17
2009 25
2010 28
2011 30
2012 23
2013 23
2014 23
2015 13
2016 15
2017 20
2018 15
2019 13
2020 20
2021 9
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 7491226

547 results
Results by year
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