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Results by year

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

Year Number of Results
1956 1
1964 1
1965 1
1966 4
1968 1
1969 3
1970 3
1971 5
1972 4
1973 13
1974 14
1975 15
1976 22
1977 28
1978 20
1979 22
1980 20
1981 5
1982 8
1983 9
1984 11
1985 6
1986 10
1987 6
1988 2
1989 4
1990 4
1991 3
1992 2
1993 4
1994 2
1995 2
1996 5
1997 3
1998 2
1999 2
2000 2
2001 4
2002 3
2003 3
2004 1
2007 5
2008 4
2009 2
2011 2
2012 1
2013 1
2014 1
2016 1
2017 1
2018 1
2021 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 4561295

297 results
Results by year
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