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

Year Number of Results
1925 1
1929 1
1939 1
1949 1
1951 1
1952 2
1956 2
1958 1
1959 1
1961 2
1963 2
1964 1
1968 1
1973 3
1974 3
1975 7
1976 9
1977 10
1978 13
1979 14
1980 11
1981 13
1982 10
1983 8
1984 18
1985 15
1986 12
1987 10
1988 4
1989 3
1990 4
1992 6
1993 2
1994 2
1995 1
1996 1
1998 1
1999 1
2000 1
2010 2
2011 2
2012 1
2014 1
2015 1
2018 1
2021 2
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 6768438

208 results
Results by year
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208 results
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