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

Year Number of Results
1977 1
1987 7
1988 17
1989 34
1990 26
1991 22
1992 15
1993 12
1994 5
1995 6
1996 5
1997 3
2000 1
2001 2
2002 1
2003 1
2005 2
2006 1
2007 2
2009 1
2010 1
2012 3
2016 1
2021 0
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Similar articles for PMID: 2642725

167 results
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