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

Year Number of Results
1933 1
1970 1
1976 2
1977 2
1978 2
1979 2
1980 2
1981 2
1982 1
1983 2
1984 1
1985 3
1986 3
1987 2
1988 5
1989 1
1990 1
1991 1
1992 4
1993 5
1994 6
1995 5
1996 5
1997 5
1998 7
1999 10
2000 5
2001 4
2002 6
2003 6
2004 4
2005 6
2006 2
2007 1
2009 1
2013 1
2020 2
2021 2
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 9890304

116 results
Results by year
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116 results