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

Year Number of Results
1967 3
1968 3
1969 7
1970 4
1971 10
1972 5
1973 7
1974 5
1975 2
1976 4
1977 3
1978 4
1979 2
1980 2
1981 6
1982 4
1983 3
1984 6
1985 6
1986 4
1987 4
1988 4
1990 3
1991 2
1992 3
1993 2
1994 3
1995 2
1996 1
1997 1
1998 2
2000 1
2001 3
2006 2
2007 2
2008 5
2009 3
2011 2
2013 1
2017 1
2018 1
2019 2
2020 2
2021 1
2022 0
Text availability
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Article type
Publication date

Similar articles for PMID: 6766183

142 results
Results by year
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142 results