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Results by year

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

Year Number of Results
1970 1
1977 2
1978 3
1979 2
1980 4
1981 11
1982 8
1983 7
1984 6
1985 8
1986 13
1987 13
1988 3
1989 15
1990 5
1991 11
1992 3
1993 1
1994 5
1995 3
1996 3
1997 1
1998 3
1999 1
2001 2
2002 2
2005 1
2007 1
2021 1
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Similar articles for PMID: 6979614

139 results
Results by year
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139 results