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

Year Number of Results
1985 1
1986 4
1987 4
1988 4
1989 6
1990 16
1991 23
1992 33
1993 20
1994 26
1995 26
1996 13
1997 14
1998 5
1999 2
2000 3
2001 1
2004 2
2006 1
2007 1
2016 1
2018 2
2019 2
2021 0
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Similar articles for PMID: 2013806

208 results
Results by year
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208 results