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

Year Number of Results
1891 1
1912 1
1936 1
1947 1
1949 1
1960 1
1965 2
1966 5
1967 3
1968 4
1969 2
1970 4
1971 3
1973 5
1974 3
1975 3
1976 2
1977 6
1978 2
1979 2
1980 8
1981 11
1982 17
1983 11
1984 13
1985 13
1986 15
1987 15
1988 10
1989 17
1990 16
1991 2
1993 3
1994 3
1995 2
1996 1
1997 2
1998 2
1999 1
2001 5
2002 3
2003 7
2004 3
2006 2
2007 2
2008 12
2009 1
2011 1
2013 1
2015 1
2016 1
2017 3
2020 1
2021 1
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 7243443

256 results
Results by year
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