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

Year Number of Results
1925 1
1946 1
1948 1
1951 1
1952 3
1953 2
1954 1
1955 3
1956 1
1958 1
1959 1
1960 2
1961 1
1962 2
1963 4
1964 3
1965 4
1966 2
1967 7
1968 5
1969 13
1970 8
1971 11
1972 16
1973 5
1974 12
1975 7
1976 1
1977 6
1978 2
1979 1
1980 2
1981 1
1982 4
1983 2
1984 4
1985 3
1986 2
1987 1
1988 2
1989 2
1990 1
1992 2
1993 1
1994 3
1995 2
1997 1
1998 1
1999 2
2001 1
2004 1
2005 2
2006 2
2007 1
2012 1
2013 1
2014 2
2016 1
2017 1
2019 2
2020 1
2021 0
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 4238844

179 results
Results by year
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