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

Year Number of Results
1938 1
1951 1
1956 1
1961 2
1962 1
1965 1
1970 1
1971 1
1972 5
1973 2
1974 1
1975 1
1976 1
1977 1
1978 3
1979 4
1980 4
1982 2
1983 2
1984 2
1985 3
1986 2
1987 1
1988 5
1989 5
1990 1
1991 3
1992 2
1993 2
1994 13
1995 5
1996 13
1997 18
1998 18
1999 5
2000 5
2001 8
2002 13
2003 10
2004 10
2005 12
2006 8
2007 5
2008 17
2009 12
2010 18
2011 14
2012 19
2013 44
2014 36
2015 27
2016 30
2017 19
2018 27
2019 26
2020 14
2021 1
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 23657697

485 results
Results by year
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485 results
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